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+*** START OF THE PROJECT GUTENBERG EBOOK 41132 ***
+
+The Bomb-Makers
+Being some Curious Records concerning the Craft and Cunning of Theodore
+Drost, an enemy alien in London, together with certain Revelations
+regarding his daughter Ella.
+By William Le Queux
+Published by Jarrolds, London.
+
+The Bombmakers, by William Le Queux.
+
+________________________________________________________________________
+
+________________________________________________________________________
+THE BOMBMAKERS, BY WILLIAM LE QUEUX.
+
+CHAPTER ONE.
+
+THE DEVIL'S DICE.
+
+"Do get rid of the girl! Can't you see that she's highly dangerous!"
+whispered the tall, rather overdressed man as he glanced furtively
+across the small square shop set with little tables, dingy in the haze
+of tobacco-smoke. It was an obscure, old-fashioned little restaurant in
+one of London's numerous byways--a resort of Germans, naturalised and
+otherwise, "the enemy in our midst," as the papers called them.
+
+"I will. I quite agree. My girl may know just a little too much--if we
+are not very careful."
+
+"Ah! she knows far too much already, Drost, thanks to your ridiculous
+indiscretions," growled the dark-eyed man beneath his breath. "They
+will land you before a military court-martial--if you are not careful!"
+
+"Well, I hardly think so. I'm always most careful--most silent and
+discreet," and he grinned evilly.
+
+"True, you are a good Prussian--that I know; but remember that Ella has,
+unfortunately for us, very many friends, and she may talk--women's talk,
+you know. We--you and I--are treading very thin ice. She is, I
+consider, far too friendly with that young fellow Kennedy. It's
+dangerous--distinctly dangerous to us--and I really wonder that you
+allow it--you, a patriotic Prussian!"
+
+And, drawing heavily at his strong cigar, he paused and examined its
+white ash.
+
+"Allow it?" echoed the elder man. "How, in the name of Fate, can I
+prevent it? Suggest some means to end their acquaintanceship, and I am
+only too ready to hear it."
+
+The man who spoke, the grey-haired Dutch pastor, father of Ella Drost,
+the smartly-dressed girl who was seated chatting and laughing merrily
+with two rather ill-dressed men in the farther corner of the little
+smoke-dried place, grunted deeply. To the world of London he posed as a
+Dutchman. He was a man with a curiously triangular face, a big square
+forehead, with tight-drawn skin and scanty hair, and broad heavy
+features which tapered down to a narrow chin that ended in a pointed,
+grey, and rather scraggy beard.
+
+Theodore Drost was about fifty-five, a keen, active man whose
+countenance, upon critical examination, would have been found to be
+curiously refined, intelligent, and well preserved. Yet he was shabbily
+dressed, his long black clerical coat shiny with wear, in contrast with
+the way in which his daughter--in her fine furs and clothes of the
+latest mode--was attired. But the father, in all grades of life, is
+usually shabby, while his daughter--whatever be her profession--looks
+smart, be it the smartness of Walworth or that of Worth.
+
+As his friend, Ernst Ortmann, had whispered those warning words he had
+glanced across at her, and noting how gaily she was laughing with her
+two male friends, a cigarette between her pretty lips, he frowned.
+
+Then he looked over to the man who had thus urged discretion.
+
+The pair were seated at a table, upon which was a red-bordered cloth,
+whereon stood two half-emptied "bocks" of that light beer so dear to the
+Teuton palate. They called it "Danish beer," not to offend English
+customers.
+
+The girl whose smiles they were watching was distinctly pretty. She was
+about twenty-two, with a sweet, eminently English-looking face, fair and
+quite in contrast with the decidedly foreign, beetle-browed features of
+the two leering loafers with whom she sat laughing.
+
+Theodore Drost, to do him justice, was devoted to his daughter, who,
+because of her childish aptitude, had become a dancer on the lowest
+level of the variety stage, a touring company which visited fifth-rate
+towns. Yet, owing to her discovered talent, she had at last graduated
+through the hard school of the Lancashire "halls," to what is known as
+the "syndicate halls" of London.
+
+From a demure child-dancer at an obscure music-hall in the outer
+suburbs, she had become a noted revue artiste, a splendid dancer, who
+commanded the services of her own press-agent, who in turn commanded
+half-a-dozen lines in most of the London morning papers, both her
+prestige and increased salary following in consequence. The British
+public so little suspect the insidious influence of the press-agent in
+the formation of modern genius. The press-agent has, in the past, made
+many a mediocre fool into a Birthday Baronet, or a "paid-for Knight,"
+and more than one has been employed in the service of a Cabinet
+Minister. Oh what sheep we are, and how easily we are led astray!
+
+On that wintry night, Ella Drost--known to the theatre-going public as
+Stella Steele, the great revue artiste whose picture postcards were
+everywhere--sat in that stuffy, dingy little restaurant in Soho, sipping
+a glass of its pseudo-Danish lager, and laughing with the two
+unpresentable men before her.
+
+Outside the unpretentious little place was written up the single word
+"Restaurant." Its proprietor a big, full-blooded, fair-bearded son of
+the Fatherland, had kept it for twenty years, and it had been the
+evening rendezvous of working-class Germans--waiters, bakers, clerks,
+coiffeurs, jewellers, and such-like.
+
+Here one could still revel in Teuton delicacies, beer brewed in Hamburg,
+but declared to be "Danish," the succulent German liver sausage, the
+sausage of Frankfort--boiled in pairs of course--the palatable
+sauerkraut with the black sour bread of the Fatherland to match.
+
+"I wish you could get rid of Kennedy," said Ortmann, as he again, in
+confidence, bent across the table towards Ella's father. "I believe
+she's in collusion with him."
+
+"No," laughed the elder man, "I can't believe that. Ella is too good a
+daughter of the Fatherland." He was one of Germany's chief agents in
+England, and had much money in secret at his command.
+
+Ortmann screwed up his eyes and pursed his lips. He was a shrewd,
+clever man, and very difficult to deceive.
+
+"Money is at stake, my dear Drost," he whispered very slowly--"big
+money. But there is love also. And I believe--nay, I'm sure--that
+Kennedy loves her."
+
+"Bah! utterly ridiculous!" cried her father. "I don't believe that for
+a single moment. She's only fooling him, as she has fooled all the
+others."
+
+"All right. But I've watched. You have not," was the cold reply.
+
+From time to time the attractive Ella, on her part, glanced across at
+her father, who was whispering with his overdressed companion, and, to
+the keen observer, it would have been apparent that she was only smoking
+and gossiping with that pair of low-bred foreigners for distinct
+purposes of her own.
+
+The truth was that, with her woman's instinct, feminine cleverness and
+ingenuity, she, being filled with the enthusiasm of affection for her
+aviator-lover, was playing a fiercely desperate part as a staunch and
+patriotic daughter of Great Britain.
+
+The hour was late. She had hurried from the theatre in a taxi, the
+carmine still about her pretty lips, her eyes still darkened beneath,
+and the greasepaint only roughly rubbed off. The great gold and white
+theatre near Leicester Square, where, clad in transparencies, she was
+"leading lady" in that most popular revue "Half a Moment!" had been
+packed to suffocation, as indeed it was nightly. Officers and men home
+on leave from the battle-front all made a point of seeing the pretty,
+sweet-faced Stella Steele, who danced with such artistic movement, and
+who sang those catchy patriotic songs of hers, the stirring choruses of
+which even reached the ears of the Bosches in their trenches. And in
+many a British dug-out in Flanders there was hung a programme of the
+revue, or a picture postcard of the seductive Stella.
+
+There were, perhaps, other Stella Steeles on the stage, for the name
+was, after all, not an uncommon one, but this star of the whole Steele
+family had arisen from the theatrical firmament since the war. She, the
+laughing girl who, that night, sat in that obscure, smoke-laden little
+den of aliens in Soho, was earning annually more than the "pooled"
+salary of a British Cabinet Minister.
+
+That Stella was a born artiste all agreed--even her agent, that fat
+cigar-smoking Hebrew cynic who regarded all stage women as mere cattle
+out of whom he extracted commissions. To-day nobody can earn unusual
+emoluments in any profession without real merit assisted by a capable
+agent.
+
+Stella Steele was believed by all to be thoroughly British. Nobody had
+ever suspected that her real name was Drost, nor that her bespectacled
+and pious father had been born in Stuttgart, and had afterwards become
+naturalised as a Dutchman before coming to England. The
+cigarette-smoking male portion of the khaki-clad crowd who so loudly
+applauded her every night had no idea that their idol had been born in
+Berlin. Isaac Temple, the mild-mannered press-agent whom she employed,
+had always presented her, both to press and public, and sent those
+artistic photographs of hers to the Sunday illustrated papers, as
+daughter of a London barrister who had died suddenly, leaving her
+penniless. Thus had the suspicious connection with Drost been always
+carefully suppressed, and Ella lived very quietly in her pretty flat in
+Stamfordham Mansions, situate just off the High Street in Kensington.
+
+Her father--her English mother, whom she had adored, being long ago
+dead--lived a quiet, secluded life in one of those rather large houses
+which may be found on the south side of the Thames between Putney and
+Richmond. Pastor Drost had, it was believed by the Dutch colony in
+London, been a missionary for some years in Sumatra, and, on more than
+one occasion, he had lectured upon the native life of that island.
+Therefore he had many friends among Dutch merchants and others, who all
+regarded him as a perfectly honest and even pious, if rather eccentric,
+man.
+
+At times he wore big round horn-rimmed glasses which grossly magnified
+his eyes, giving him a strange goggled appearance. The world, however,
+never knew that Pastor Drost's only daughter was that versatile dancer
+who, dressed in next-to-nothing, nightly charmed those huge enthusiastic
+audiences in the popular revue, "Half a Moment!"
+
+Until three months after the outbreak of war Ella had regarded her
+father's idiosyncrasies with some amusement, dismissing them as the
+outcome of a mind absorbed in chemical experiment, for though none save
+herself was aware of it, the long attic beneath the roof of her father's
+house--the door of which Theodore Drost always kept securely locked--was
+fitted as a great chemical laboratory, where he, as a professor of
+chemistry, was constantly experimenting.
+
+After the outbreak of war, by reason of a conversation she one day
+overheard between her father and his mysterious visitor, Ernst Ortmann,
+her suspicions had become aroused. Strange suspicions they indeed were.
+But in order to obtain confirmation of them, she had become more
+attached to her father, and had visited him far more frequently than
+before, busying herself in his domestic affairs, and sometimes assisting
+the old widow, Mrs Pennington, who acted as his single servant.
+
+Two years prior to the war, happening upon that house, which was to be
+sold cheap, Ella had purchased it, ready furnished as it was, and given
+it as a present to her father as a place in which he might spend his old
+age in comfort. But until that night when she had overheard the curious
+conversation--which she had afterwards disclosed in confidence to her
+lover, Lieutenant Seymour Kennedy, Flight-Commander of the Naval Air
+Service--she had never dreamed that her father, the good and pious
+Dutchman who had once been a missionary, was an enemy alien, whose plans
+were maturing in order to assist a great and desperate conspiracy
+organised by the secret service of the German Fatherland.
+
+On a certain well-remembered November evening she had revealed to
+Kennedy the truth, and they had both made a firm compact with each
+other. The plotter was her father, it was true. But she was a daughter
+of Great Britain, and it was for her to combat any wily and evil plot
+which might be formed against the land which had given birth to her
+adored mother.
+
+She loved Seymour Kennedy. A hundred men had smiled upon her, bent over
+her little hand, written to her, sent her flowers and presents, and
+declared to her their undying affection. It is ever so. The popular
+actress always attracts both fools and fortunes. But Ella, level-headed
+girl as she was, loved only Seymour, and had accepted the real,
+whole-hearted and honest kisses which he had imprinted upon her lips.
+Seymour Kennedy was a gentleman before being an officer, which could
+not, alas! be said of all the men in the services in war-time.
+
+Ella Drost was no fool, her dead mother had always instilled into her
+mind that, though born of a German father, yet she was British, an
+argument which, if discussed legally, would have been upset, because,
+having, unfortunately, been born in Berlin, she was certainly a subject
+of the German octopus. At the time of her birth her father had occupied
+a very important position among professors--half the men in the
+Fatherland were professors of something or other--yet Drost had been
+professor of chemistry at the Imperial Arsenal at Spandau--that great
+impregnable fortress in which the French war indemnity of 1870 had been
+locked up as the war-chest of golden French louis.
+
+How strange it was! And yet it was not altogether strange. Ella, whose
+heart--the heart of a true British girl trained at her mother's knee--
+had discovered a curious "something" and, aided by her British airman
+lover, was determined to carry on her observations, at all hazards, to
+the point of ascertaining the real truth.
+
+England was at war at the battle-front--and she, a mere girl, was at war
+with the enemy in its midst.
+
+Three-quarters of an hour later Ella--whose comfortable car was waiting
+outside the dingy little place--had driven her father home, but on the
+way she expressed her decision to stay with him, as it was late and her
+French maid, Mariette, had no doubt gone to bed.
+
+As they stood in her father's large, well-furnished dining-room, Ella
+drew some lemonade from a siphon and then, declaring that she was
+sleepy, said she would retire.
+
+"All right, my dear," replied the old man. "All right. You'll find
+your room quite ready for you. I always order that it shall be kept
+ready for you. Let's see! You were here a week ago--so the bed will
+not be damp."
+
+The girl bent and imprinted a dutiful kiss upon her father's white brow,
+but, next instant, set her teeth, and in her blue eyes--though he did
+not see it--there showed a distinct light of suspicion.
+
+Then she switched on the light on the stairs, loosened her furs, and
+ascended to the well-furnished room that was always regarded as hers.
+
+The room in which Ella found herself was large, with a fine double
+wardrobe, a long cheval-glass, and a handsome mahogany dressing-table.
+The curtains and upholstery were in pale-blue damask, while the thick
+plush carpet was of a darker shade.
+
+Instead of retiring, Ella at once lit the gas-stove, glanced at her
+wristlet-watch, the face of which was set round with diamonds, and then
+flung herself into a deep armchair to think, dozing off at last, tired
+out by the exertion of her dancing.
+
+The striking of the little gilt clock upon the mantelshelf presently
+aroused her, and, rising, she switched off the light and, creeping upon
+tiptoe, slowly opened her bedroom door and listened attentively.
+
+Somewhere she could hear the sound of men's voices. One she recognised
+as her father's.
+
+"That's Nystrom again! That infernal hell-fiend!" she whispered
+breathlessly to herself.
+
+Then, removing her smart shoes and her jingling bangles, she crept
+stealthily forth along the soft carpet of the corridor, and with great
+care ascended the stairs to the floor above, which was occupied by that
+long room, the door of which was always kept locked--the room in which
+her father conducted his constant experiments.
+
+From the ray of light she saw that the door was ajar. Within, the two
+men were talking in low deep tones in German.
+
+She could hear a hard sound, as of metal being filed down, and more than
+once distinguished the clinking of glass, as though her father was
+engaged in some experiment with his test-tubes and other scientific
+paraphernalia which she had seen arranged so methodically upon the two
+long deal tables.
+
+"What has Ortmann told you?" asked Theodore Drost's midnight visitor,
+while his daughter stood back within the long cupboard on the landing,
+listening.
+
+"He says that all is in order. We have a friend awaiting us."
+
+"And the payment--eh?" asked the man Nystrom, a German who had been
+naturalised as a Swede, and now lived in London as a neutral. As a
+professor of chemistry he had been well-known in Stockholm and, being a
+bosom friend of the Dutch pastor's, the pair often delighted in dabbling
+together in their favourite science.
+
+"I shall meet Ernst on Friday night. If we are successful, he will pay
+two thousand pounds--to be equally divided between us."
+
+"Good," grunted the other. "We shall be successful, never fear--that is
+if Ortmann has arranged things at his end. _Himmel_! what a shock it
+will be--eh, my friend?--worse than the Zeppelins!"
+
+Theodore Drost laughed gleefully, while his daughter, daring to creep
+forward again, peered through the crack of the door and saw the pair
+bending over what looked like a square steel despatch-box standing upon
+the table amid all the scientific apparatus.
+
+The box, about eighteen inches long, a foot wide, and six inches deep,
+was khaki-covered, and, though she was not aware of it at the time, it
+was of the exact type used in the Government offices.
+
+Fridtjof Nystrom, a tall, dark-haired man, with a red, blotchy face,
+rather narrow-eyed and round-shouldered, was adjusting something within
+the box, while old Drost, who had discarded his shabby black pastor's
+coat and now wore a dark-brown jacket, took up a small glass retort
+beneath which the blue flame of a spirit-lamp had been burning, and from
+it he poured a few drops of some bright red liquid into a tiny tube of
+very thin glass. Then, taking a small blow-pipe, he blew the flame upon
+the tube until he had melted the glass and sealed it hermetically.
+
+The blotchy-faced man watched this latter operation with great interest,
+saying:
+
+"Have a care now, my dear Theodore. The least mishap, and not a piece
+of either of us would remain to tell the story."
+
+"_Ja_! Leave that to me," answered Ella's father. "We do not, I agree,
+desire a repetition of the disaster which happened last week."
+
+Ella, hearing those words, stood aghast.
+
+A week before all London had been mystified and horrified by a most
+remarkable explosion which had occurred one night in a house in one of
+the outer suburbs, whereby the place had been set on fire and utterly
+demolished. Whoever were present in the house had been blown to atoms,
+for no trace of the occupants, or of what had caused the disaster, had
+been discovered. At first it was believed to have been caused by an
+incendiary bomb dropped from the air, but expert evidence quickly
+established the fact that something within the house had exploded.
+
+Was it possible that her father and his dastardly companions possessed
+knowledge of what had actually occurred there?
+
+Suddenly, Drost having handed the tiny sealed tube to Nystrom, the
+latter proceeded to place it in position within the box, using most
+infinite care. Then her father turned upon his heel, and came forward
+to the door behind which his daughter was standing.
+
+In a second Ella had shrunk back noiselessly into the cupboard, which
+the old man passed in the darkness, and descended the stairs.
+
+He had passed the door of Ella's room when, having gained the bottom of
+the stairs, he paused and whistled softly. In a few seconds Nystrom
+came forth.
+
+"Come, Fridtjof," he urged in a low whisper. "Let us drink to the
+success of our expedition to-night, and the victory of our dear
+Fatherland," an invitation which his visitor at once accepted.
+
+Ella heard the two men descend, making but little noise, and a moment
+later she crept into the long, well-lit laboratory where, upon the
+table, stood the big official-looking despatch-box.
+
+A second's glance was sufficient to reveal the truth even to her, a
+woman unversed as she was in such things. It was a most
+ingeniously-constructed infernal machine which would detonate the
+quantity of high-explosive which she saw had been placed within.
+
+Though her father had taken the greatest precaution to conceal from his
+daughter the exact line of his chemical experiments, yet, if the truth
+be told, Ella and her lover had watched carefully, and Kennedy--who had
+shared his well-beloved's suspicions--had ascertained, without doubt,
+that Drost and Nystrom had been engaged in that long, low room beneath
+the roof, in treating toluene with nitric and sulphuric acid for several
+days under heat thus producing tri-nitro-toluene--or trotul--that modern
+high-explosive, of terrible force, which was rapidly superseding picric
+acid as a base for shell-fillers.
+
+At a glance Ella saw that the square steel bomb, fashioned like an
+official despatch-box, was filled with this highly dangerous explosive,
+and that the thin glass tube which, when broken, would explode it, had
+already been placed in position. Such a bomb, on exploding in a
+confined space, must work the most terrible havoc.
+
+In those few seconds the girl verified the suspicion which Kennedy had
+entertained. Some desperate outrage was to be committed. That was
+quite certain.
+
+A bomb from a Zeppelin could not cause greater injury to life and
+property than that ingeniously contrived machine, the delicately
+constructed fuse of which, fashioned on the lathe by her father's own
+hands, could be arranged to detonate at any given time.
+
+A second's pause, and then the girl, beneath her breath, took a deep
+oath of vengeance against the ruler of that hated land wherein she had
+been born.
+
+"Thank Heaven that I am English!" she whispered to herself. "And I will
+live--and die, if necessary--as an English girl should."
+
+With those words upon her lips she crept away from the laboratory, down
+the stairs to her room, and, swiftly putting on her fur coat, she went
+into the basement, from which she let herself out noiselessly, and then
+hurried through the night, in the direction of Hammersmith Bridge.
+
+On gaining the bridge, she saw the red rear-light of a motor-car, and
+knew that it was Kennedy's. He had drawn up against the kerb, and had
+been consuming cigarettes waiting in impatience for a long time.
+
+"Well, darling?" he asked, as they met. "I got your message from the
+theatre to-night. What is in progress?"
+
+"Something desperate," was her quick reply. "Let's get into the car and
+I'll explain."
+
+Both entered the comfortable little coupe, and then Ella explained in
+detail to her flying-man lover all that she had discovered.
+
+The keen-faced, clean-shaven young officer in uniform who, before he had
+gone in for aviation duties, had graduated at Osborne, and afterwards
+been at sea and risen from "snotty" to lieutenant, sat beside her,
+listening intently.
+
+"Just as we thought, darling," he remarked. "For me, loving you so
+dearly, it is a terrible thing to know that your father is such a deadly
+and ingenious enemy of ours as he is. Truly the German plotters are in
+our midst in every walk of life, from high society down to the scum of
+the East End. The brutes are out to win the war by any underhand,
+subtle, and brutal means in their power. But we have discovered one
+line of their enemy intentions and, with your aid, dearest, we will
+follow it up and, without exposing your father and bringing disgrace
+upon you, we'll set out to combat them every time."
+
+"Agreed, dear," declared the girl with patriotic enthusiasm. "I have
+told you all along of my suspicions. To-night they are verified.
+Father, and that devilish scoundrel, Nystrom, mean mischief--for payment
+too--one thousand pounds each!"
+
+"The infernal brutes!" exclaimed the man at her side. "At least it is
+to you, dear, that this discovery is due. I had no idea what you were
+after when you sent me that wire to-night."
+
+"I suspected, and my suspicions have proved correct," said the girl.
+"Shall we wait here and follow them? They must cross the river if they
+intend to go into London to-night--as no doubt they do."
+
+"Yes. They believe you to be soundly asleep, I suppose?"
+
+"I locked my door, and have the key in my pocket," replied his
+well-beloved with a light laugh.
+
+And she, putting her ready lips to his, sat with him in the car at the
+foot of the long suspension-bridge, waiting for any person to cross.
+
+They remained there for perhaps half-an-hour, ever eager and watchful.
+Several taxis passed, but otherwise all was quiet in the night. Now and
+then across the sky fell the big beams of searchlights seeking enemy
+aircraft, and these they were watching, when, suddenly, a powerful,
+dark-painted car approached.
+
+"Look!" cried Ella. "Why, that's that fellow Benyon's car--he's a
+friend of Dad's!"
+
+Next moment it flashed past, and beneath the dim light at the head of
+the bridge they both caught a glimpse of two men within, one of whom was
+undoubtedly Theodore Drost.
+
+"Quick!" cried Ella. "Let's follow them! Fortunately you have to-night
+another car, unknown to them!"
+
+In an instant Seymour Kennedy had started his engine, and slowly he drew
+out across the bridge, speeding after the retreating car over the river,
+along Bridge Road to Hammersmith Broadway and through Brook Green, in a
+direction due north.
+
+Through the London streets it was not difficult at that hour to follow
+the red tail-light of the car in which Drost sat with his bosom friend
+George Benyon, a mysterious person who seemed to be an adventurer, and
+who lived somewhere in York or its vicinity.
+
+"I wonder if they are going up to York?" Ella asked, as she sat in the
+deep seat of the coupe at her lover's side.
+
+"We'll see. If they get on to the North Road we shall at once know
+their intentions," was her lover's reply.
+
+Half-an-hour later the pseudo-Dutch pastor and his companion, driven by
+rather a reckless young fellow, were on the main Great North Road, and
+Kennedy, possessing a lighter and superior car, had no misgivings as to
+overtaking them whenever he wished.
+
+On through the night they went, passing Barnet, Hatfield, Hitchin, the
+cross-roads at Wansford, and up the crooked pebbled streets of Stamford,
+until in the grey of morning they descended into Grantham, with its tall
+spire and quaint old Angel and Crown Hotel.
+
+It was there that Drost and his companion breakfasted, while Ella and
+her lover waited and watched.
+
+Some devilish plot of a high-explosive nature was in progress, but of
+its true import they were in utter ignorance. Yet their two British
+hearts beat quickly in unison, and both were determined to frustrate the
+outrage, even at the sacrifice of their own lives.
+
+At three o'clock in the afternoon Drost and Benyon drew up at the
+Station Hotel at York, and there took lunch, while Ella and her lover
+ate a very hurried and much-needed meal in the railway-buffet in the big
+station adjoining.
+
+Then, after they had watched the departure of the big mud-spattered car
+which contained the two conspirators, they were very quickly upon the
+road again after them.
+
+Out of the quiet old streets of York city, past the Minster, they turned
+eastward upon that well-kept highway which led towards the North Sea
+Coast.
+
+An hour's run brought them to the pleasant town which I must not, with
+the alarming provisions of the Defence of the Realm Act before me,
+indicate with any other initial save that of J--.
+
+The town of J--, built upon a deep and pretty bay forming a natural
+harbour with its breakwater and pier, was, in the pre-war days, a
+popular resort of the summer girl with her transparent blouses and her
+pretty bathing costumes, but since hostilities, it was a place believed
+to be within the danger zone.
+
+As they descended, by the long, winding road, into the town, they could
+see, in the bay, a big grey four-funnelled first-class cruiser lying at
+anchor, the grey smoke curling lazily from her striped funnels--resting
+there no doubt after many weeks of patrol duty in the vicinity of the
+Kiel Canal.
+
+Indeed, as they went along the High Street, they saw a number of
+clear-eyed liberty men--bluejackets--bearing upon their caps the name
+H.M.S. _Oakham_.
+
+The car containing Ella's father and his companion pulled up at the
+Palace Hotel, a big imposing place, high on the cliff, therefore
+Kennedy, much satisfied that he had thus been able to follow the car for
+over two hundred miles, went on some little distance to the next
+available hotel.
+
+This latter place, like the Palace, afforded a fine view of the bay, and
+as they stood at a window of the palm-lined lounge, they could see that
+upon the cruiser lights were already appearing.
+
+Kennedy called the waiter for a drink, and carelessly asked what was in
+progress.
+
+"The ship--the _Oakham_--came in the day before yesterday, sir," the man
+replied. "There's a party on board this evening, they say--our Mayor
+and corporation, and all the rest."
+
+Ella exchanged glances with her lover. She recollected that
+khaki-covered despatch-box. Had her father brought with him that
+terrible death-dealing machine which he and Nystrom had constructed with
+such accursed ingenuity?
+
+The hotel was deserted, as east coast hotels within the danger zone
+usually were in those war days, remaining open only for the occasional
+traveller and for the continuity of its licence. The great revue star
+had sent a telegram to her manager, asking that her understudy should
+play that night, and the devoted pair now stood side by side watching
+how, in the rapidly falling night, the twinkling electric lights on
+board the fine British cruiser became more clearly marked against the
+grey background of stormy sea and sky.
+
+"I wonder what their game can really be?" remarked the young
+flying-officer reflectively as, alone with Ella, his strong arm crept
+slowly around her neat waist.
+
+From where they stood they were afforded a wide view of the broad road
+which led from the town down to the landing-stage, from which the
+cruiser's steam pinnace and picket-boat were speeding to and fro between
+ship and shore. A dozen or so smart motor-cars had descended the road,
+conveying the guests of the captain and officers who, after their long
+and unrelaxing vigil in the North Sea, certainly deserved a little
+recreation. Then, as the twilight deepened and the stars began to shine
+out over the bay, it was seen that the procession of guests had at last
+ended.
+
+"I think, Ella, that we might, perhaps, go down to the landing-stage,"
+said Kennedy at last--"if you are not too tired, dear."
+
+"Tired? Why, of course not," she laughed, and after he had helped her
+on with her coat, they both went out, passing down to the harbour by
+another road.
+
+For fully an hour they idled about in the darkness, watching the swift
+brass-funnelled pinnace which, so spick and span, and commanded by a
+smart lad fresh from Osborne, was making the journey regularly between
+ship and quay. Away in the darkness the lights on the cruiser's
+quarter-deck reflected into the sea, while ever and anon the high-up
+masthead signal-lamp winked in Morse code to the coastguard station five
+miles distant across the bay.
+
+While they were watching, the pinnace came in again, whereupon the smart
+figure of a naval officer in his topcoat appeared within the zone of
+light, and descended the steps, shouting in an interrogative tone:
+
+"_Oakham_?"
+
+"Ay, ay, sir!" came a cheery voice from the pinnace.
+
+"Look!" gasped Ella, clinging to her lover's arm. "Why--it's Benyon--
+dressed as a naval lieutenant! He's going on board, and he's carrying
+that despatch-box with him!"
+
+Indeed, he had handed the heavy box to one of the men, and was at that
+moment stepping into the pinnace.
+
+"Off to the ship--as quick as you can!" they heard him order, while,
+next moment, the boat was cast loose and the propeller began to revolve.
+
+"We haven't a second to lose!" whispered Kennedy who, as soon as the
+pinnace was around the pier-head, called out "Boat!" In an instant
+half-a-dozen men, noticing that he was a naval officer, were eagerly
+crowding around him.
+
+"I want to follow that pinnace--quick!" he said. "Three men--and you
+can sail out there. The wind's just right."
+
+In a few moments a boat came alongside the steps, and into it the pair
+stepped, with three hardy North Sea boatmen.
+
+Quickly sail was set and, favoured by a fresh breeze, the boat slowly
+heeled over and began to skim across the dark waters.
+
+Already the light on the pinnace showed far away, it having nearly
+reached the ship. Therefore Kennedy, in his eagerness, stirred the
+three men to greater effort, so that by rowing and sailing by turns,
+they gradually grew nearer the long, dark war-vessel, while Ella sat
+clasping her well-beloved's hand in the darkness, and whispering
+excitedly with him.
+
+Those were, indeed, moments of greatest tension, away upon that dark
+wintry sea beyond the harbour, that wide bay which, on account of its
+unusual depth and exposed position, was never considered a very safe
+anchorage.
+
+Their progress seemed at a snail's pace, as it always seems upon the sea
+at night. They watched the pinnace draw up, and they knew that the man,
+Benyon, who, though German-born, had lived in London the greater part of
+his life--was on board carrying that terrible instrument of death that
+had been cleverly prepared in such official guise.
+
+At last--after an age it seemed--the boat swung in beside the lighted
+gangway against the pinnace, and Kennedy, stepping nimbly up, said to
+the sentry on board:
+
+"Let nobody pass up or down, except this lady." Then, seeing the
+officer on duty, he asked if a lieutenant had arrived on board with a
+despatch-box.
+
+"Yes. I've sent him down to the captain," was the reply.
+
+"Take me to the captain at once, please," Kennedy said in a calm voice.
+"There's no time to lose. There's treachery on board!"
+
+In a second the officer was on the alert and ran down the stern gangway
+which led direct to the captain's comfortable cabin, with its
+easy-chairs covered with bright chintzes like the small drawing-room of
+a country house.
+
+Kennedy followed with Ella, but the captain was not there. The sentry
+said he was in the ward-room, therefore the pair waited till he came
+forward eagerly.
+
+"Well," asked the grey-haired captain with some surprise, seeing an
+officer and a lady. "What is it?"
+
+"Have you received any despatches to-night, sir?" Kennedy inquired.
+
+"No. What despatches?" asked the captain.
+
+Then, in a few brief words, Kennedy explained how he had watched a man
+in naval uniform come off in the pinnace, carrying a heavy despatch-box.
+The man had passed the sentry and been directed below by the officer on
+duty. But he had never arrived at the captain's cabin.
+
+The "owner," as the captain of a cruiser is often called by his brother
+officers, was instantly on the alert. The alarm was given, and the ship
+was at once thoroughly searched, especially the ammunition stores,
+where, in the flat close to the torpedoes on the port side, the deadly
+box was discovered. The guests knew nothing of this activity on the
+lower deck, but the two men who found the box heard a curious ticking
+within, and without a second's delay brought it up and heaved it
+overboard.
+
+Then again the boatswain piped, and every man, as he stood at his post,
+was informed that a spy who had attempted to blow up the ship was still
+on board. Indeed, as "Number One," otherwise the first lieutenant, was
+addressing them a great column of water rose from an explosion deep
+below the surface, and much of it fell heavily on deck.
+
+Another thorough search was made into every corner of the vessel,
+whereupon the stranger in uniform was at last discovered in one of the
+stokeholds. Two stokers rushed across to seize him, but with a quick
+movement he felled both with an iron bar. Then he ran up the ladder
+with the agility of a cat, and sped right into the arms of Ella and
+Kennedy.
+
+"Curse you--I was too late!" he shrieked in fierce anger, on recognising
+them, and then seeing all retreat cut off, he suddenly sprang over the
+side of the vessel, intending, no doubt, to swim ashore.
+
+At once the pinnace went after him, but in the darkness he could not be
+discovered, though the searchlights began to slowly sweep the dark
+swirling waters.
+
+That he met a well-deserved fate, however, was proved by the fact that
+at dawn next day his body was picked up on the other side of the bay.
+Yet long before, Theodore Drost, suspecting that something was amiss by
+his fellow spy's non-return, had left by train for London.
+
+Seymour Kennedy was next day called to the Admiralty and thanked for his
+keen vigilance, but he only smiled and kept a profound secret the active
+part played by his particular friend, the popular actress--Miss Stella
+Steele.
+
+CHAPTER TWO.
+
+THE GREAT TUNNEL PLOT.
+
+"There! Is it not a very neat little toy, my dear Ernst?" asked
+Theodore Drost, speaking in German, dressed in his usual funereal black
+of a Dutch pastor, as everyone believed him to be.
+
+Ernst Ortmann, the man addressed, screwed up his eyes, a habit of his,
+and eagerly examined the heavy walking-stick which his friend had handed
+to him.
+
+It was a thick bamboo-stump, dark-brown and well-polished, bearing a
+heavy iron ferrule.
+
+The root-end, which formed the bulgy knob, the wily old German had
+unscrewed, revealing in a cavity a small cylinder of brass. This
+Ortmann took out and, in turn, unscrewed it, disclosing a curious
+arrangement of cog-wheels--a kind of clockwork within.
+
+"You see that as long as the stick is carried upright the clock does not
+work," Drost explained. "But,"--and taking it from his friend's hand he
+held it in a horizontal position--"but as soon as it is laid upon the
+ground, the mechanical contrivance commences to work. See!"
+
+And the man Ortmann--known as Horton since the outbreak of war--gazed
+upon it and saw the cog-wheels slowly revolving.
+
+"By Jove!" he gasped. "Yes. Now I see. What a devilish invention it
+is! It can be put to so many uses!"
+
+"Exactly, my dear friend," laughed the supposed Dutch pastor, crossing
+the secret room in the roof of his house at Barnes.
+
+It was afternoon, and the sunlight streaming through the skylight fell
+upon the place wherein the bomb-makers worked in secret. The room
+contained several deal tables whereon stood many bottles containing
+explosive compounds, glass retorts, test-tubes, and glass apothecaries'
+scales, with all sorts of other apparatus used in the delicate work of
+manufacturing and mixing high-explosives.
+
+"You see," Drost went on to explain, as he indicated a large mortar of
+marble. "I have been treating phenol with nitric acid and have obtained
+the nitrate called trinitrophenol. I shall fill this case with it, and
+then we shall have an unsuspicious-looking weapon which will eventually
+prove most useful to us--for it can be carried in perfect safety, only
+it must not be laid down."
+
+Ortmann laughed. He saw that his friend's inventive mind had produced
+an ingenious, if devilish, contrivance. He had placed death in that
+innocent-looking walking-stick--certain death to any person unconscious
+of the peril.
+
+Indeed, as Ortmann watched, his friend carefully filled the cavity in
+the brass cylinder with the explosive substance, and placed within a
+very strong detonator which he connected with the clockwork, winding it
+to the full. He then rescrewed the cap upon the fatal cylinder,
+replacing it in the walking-stick and readjusting the knob, which closed
+so perfectly that only close inspection would reveal anything abnormal
+in the stick.
+
+"The other stuff is there already, I suppose?"
+
+"I took it down there the night before last in four petrol-tins."
+
+"The new stuff?"
+
+"Yes. It is a picric acid derivative, and its relative force is twice
+as great as that of gun-cotton," was the reply of the grey-haired man.
+He spoke with knowledge and authority, for had he not been one of the
+keenest explosive experts in the German arsenal at Spandau before he had
+assumed the role of the Dutch pastor in England?
+
+"It will create some surprise there," remarked Ortmann, with an evil
+grin upon his sardonic countenance. "Your girl knows nothing, I hope?"
+
+"Absolutely nothing. I have arranged to carry out our plans as soon as
+possible, to-morrow night, or the night after. Bohlen and Tragheim are
+both assisting."
+
+"Excellent! I congratulate you, my dear Drost, upon your clever
+contrivance. Truly, you are a good son of the Fatherland, and I will
+see that you receive your due and proper reward when our brave brothers
+have landed upon English soil."
+
+"You are the eyes and brains of Germany in England," declared Drost to
+his friend. "I am only the servant. You are the organiser. Yours is
+the Mysterious Hand which controls, and controls so well, the thousands
+of our fellow-Teutons, all of whom are ready for their allotted task
+when the Day of Invasion comes."
+
+"I fear you flatter me," laughed Mr Horton, whom none suspected to be
+anything else than a patriotic Englishman.
+
+"I do not flatter you. I only admire your courage and ingenuity," was
+the quiet reply.
+
+And then the two alien enemies, standing in that long, low-ceilinged
+laboratory, containing as it did sufficient high-explosives to blow up
+the whole of Hammersmith and Barnes, bent over the long deal table upon
+which stood a long glass retort containing some bright yellow crystals
+that were cooling.
+
+Theodore Drost, being one of Germany's foremost scientists, had been
+sent to England before the war, just as a number of others had been
+sent, as an advance guard of the Kaiser's Army which the German General
+Staff intended should eventually raid Great Britain. Truly, the
+foresight, patience, and thoroughness of the Hun had been astounding.
+The whole world's history contained nothing equal to the amazing craft
+and cunning displayed by those who were responsible for Germany's Secret
+Service--that service known to its agents under the designation of
+"Number Seventy, Berlin."
+
+It was fortunate that there was hardly a person in the whole of London
+who knew of the relationship between Stella Steele, the clever revue
+artiste, whose songs were the rage of all London and whose photographs
+were in all the shop-windows, and the venerable Dutch pastor. With his
+usual craft, Drost, knowing how thoroughly English was his daughter, had
+always posed to her as a great admirer of England and English ways. To
+judge by his protestations, he was a hater of the Kaiser and all his
+Satanic works.
+
+If, however, Ella--to give Stella her baptismal name--could have looked
+into that long, low attic, which her father always kept so securely
+locked, she would have been struck by the evil gloating of both men.
+
+Ortmann--whom she always held in suspicion--had conceived the plot a
+month ago--a foul and dastardly plot--and old Drost, as his paid
+catspaw, was about to put it into execution forthwith.
+
+Next night, just about half-past ten, Stella Steele gay, laughing, with
+one portion of her lithe body clothed in the smartest of ultra costumes
+by a famous French _couturiere_, the remainder of her figure either
+silk-encased or undraped, bounded off the stage of the popular theatre
+near Leicester Square, and fell into the arms of her grey-haired
+dresser.
+
+It was Saturday night, and the "house," packed to suffocation, were
+roaring applause.
+
+"Lights up!" shouted the stage-manager, and Stella, holding her breath
+and patting her hair, staggered against the scenery, half-fainting with
+exhaustion, and then, with a fierce effort, tripped merrily upon the
+stage and smilingly bowed to her appreciative and enthusiastic audience.
+
+The men in khaki, officers and "Tommies," roared for an encore. The
+revue had "caught on," and Stella Steele was the rage of London.
+Because she spoke and sang in French just as easily as she did in
+English, her new song, in what was really a very inane but tuneful
+revue--an up-to-date variation of musical comedy--had already been
+adopted in France as one of the marching songs of the French army.
+
+From paper-seller to Peer, from drayman to Duke: in the houses of
+Peckham and Park Lane, in Walworth and in Wick, the world hummed, sang,
+or drummed out upon pianos and pianolas that catchy chorus which ran:
+
+ Dans la tranchee...
+ La voila, la joli' tranche:
+ Tranchi, trancho, tranchons le Boche;
+ La voila, la joli' tranche aux Boches,
+ La voila, la joli' tranche!
+
+As she came off, a boy handed her a note which she tore open and,
+glancing at it, placed her hand upon her chest as though to stay the
+wild beating of her heart.
+
+"Say yes," was her brief reply to the lad, who a moment later
+disappeared.
+
+She walked to her dressing-room and, flinging herself into the chair,
+sat staring at herself in the glass, much to the wonder of the
+grey-haired woman who dressed her.
+
+"I'm not at all well," she said to the woman at last. "Go and tell Mr
+Farquhar that I can't go on again to-night. Miss Lambert must take my
+place in the last scene."
+
+"Are you really ill, miss?" asked the woman eagerly.
+
+"Yes. I've felt unwell all day, and the heat to-night has upset me. If
+I went on again I should faint on the stage. Go and tell Mr Farquhar
+at once."
+
+The woman obeyed, whereupon Stella Steele commenced to divest herself
+rapidly of the rich and daring gown. Her one desire was to get away
+from the theatre as soon as possible.
+
+Mr Farquhar, the stage-manager, came to the door to express regret at
+her illness, and within a few minutes Miss Lambert, the understudy, was
+dressing to go on and fulfil her place in the final scene.
+
+Her car took her home to the pretty flat in Stamfordham Mansions, just
+off Kensington High Street, where she lived alone with Mariette her
+French maid, and there, in her dainty little drawing-room, she sat
+silent, almost statuesque, for fully five minutes.
+
+"Is it possible?" she gasped. "Is it really possible that such a
+dastardly plot is being carried out!" she murmured in agitation.
+
+Her little white hands clenched themselves, and her pretty mouth grew
+hard. She was sweet and charming, without any stage affectations. Yet,
+when she set herself to combat the evil designs of her enemy-father she
+was not a person to be trifled with--as these records of her adventures
+will certainly show.
+
+"I wonder if Seymour can have been misled?" she went on, rising from her
+chair as she spoke aloud to herself. "And yet," she added, "he is
+always so level-headed!"
+
+Mariette--a slim, dark-eyed girl--entered with a glass tube of
+solidified eau-de-Cologne which she rubbed upon her mistress's brow, and
+then Ella passed into her own room and quickly dismissed the girl for
+the night.
+
+As soon as Mariette had gone she flung off her dress and took another
+from her wardrobe, a rough brown tweed golfing-suit, and put on a
+close-fitting cloth hat to match. Then, getting into a thick
+blanket-coat, she pulled on her gloves and, taking up a small leather
+blouse-case, went out, closing the door noiselessly after her.
+
+At nine o'clock on the following evening Ella Drost descended in the
+lift from the second floor of the Victoria Hotel, in Sheffield, and,
+wearing her blanket-coat, went to the station platform and bought a
+ticket to Chesterfield--the town with the crooked spire.
+
+Half-an-hour later she walked out into the station yard where she found
+her lover, the good-looking Flight-Commander, awaiting her in a big grey
+car. He no longer wore uniform, but was in blue serge with a thick
+brown overcoat.
+
+"By Jove, Ella!" he exclaimed in welcome, as he grasped her hand. "I'm
+jolly glad you've come up here! There's a lot going on. You were
+perfectly correct when you first hinted at it. I've been watching
+patiently for the past month. Hop in; we've no time to lose."
+
+Next second, Ella was in the seat beside her lover, and the powerful car
+moved off down the Arkwright Road, a high-road running due eastward,
+till they joined another well-kept highway which, in the pale light,
+showed wide and open with its many lines of telegraphs--the road to
+Clowne.
+
+On through the falling darkness they travelled through Elmton and up the
+hill to Bolsover, where they suddenly turned off to the left and,
+passing down some dark, narrow lanes, with which Kennedy was evidently
+familiar, they at last pulled up at the corner of a thick wood.
+
+"Now," he said, speaking almost for the first time, and in a low voice,
+"we'll have to be very careful indeed."
+
+He had shut off his engine and switched off his lamps.
+
+"We ought to make quite certain to-night that we are not mistaken," she
+said.
+
+"That is my intention," was her lover's reply, and then she flung off
+her coat and crossed the stile, entering the wood after him. He had a
+pocket flash-lamp, and ever and anon threw its rays directly upon the
+ground so that they could see the path. The latter was an intricate
+one, for twice they came to cross-paths, and in both cases Kennedy
+selected one without hesitation.
+
+At last, however, they began to move down the hill more cautiously,
+conversing in low whispers, and showing no light until they at last
+found themselves in the grounds attached to a large, low-built country
+house, lying in the valley.
+
+"Ortmann is living here as Mr Horton," Kennedy whispered. "They told
+me in the village that he took the house furnished about three months
+ago, from a Major Jackson, who is at the front."
+
+"But why is he living down here--in a house like this?" she asked.
+
+"That's just what we want to discover. Many Germans have country houses
+in England for some mysterious and unknown reason."
+
+Kennedy, glancing at his luminous wrist-watch, noted that it was nearly
+two o'clock in the morning. From where they stood at the edge of the
+wood the house was plainly visible, silhouetted on the other side of a
+wide lawn.
+
+No light showed in any of the windows, and to all appearances the
+inmates were asleep.
+
+As the pair stood whispering, a big Airedale suddenly bounded forth,
+barking angrily as a preliminary to attacking them.
+
+It was an exciting moment. But in that instant Ella recognised the bark
+as that of her father's dog.
+
+"Jack!" she said, in a low voice of reproof. "Be quiet, and come here."
+
+In a moment the dog, which Drost had evidently lent to his friend
+Ortmann as watch-dog, bounded towards his mistress and licked her hand.
+
+It was evident that the occupiers of the lonely place did not desire
+intruders.
+
+Fearing lest the barking of "Jack" might have alarmed the inmates, they
+remained silent for a full quarter-of-an-hour, and then again creeping
+beneath the shadows of the hedges and trees, they managed to cross the
+lawn and the gravelled path, until they stood together beneath the front
+of the house.
+
+"Listen!" gasped Kennedy, grasping the girl's arm. "Do you hear
+anything?"
+
+"Yes--a kind of muffled crackling noise."
+
+"That's a wireless spark!" her lover declared. "So they have wireless
+here!"
+
+Creeping along, they passed the main entrance and gained the other side
+of the house where, quite plainly, there could be heard the whir of a
+dynamo supplying the current.
+
+But though Kennedy's keen eyes searched for aerial wires, he could
+discover none in that dim light, the moon having now disappeared
+entirely. So he concluded that they were so constructed that they could
+be raised at night and lowered and concealed at daybreak, or perhaps
+even disguised as a portion of wire fencing.
+
+"As the wireless is working--sending information to the enemy without a
+doubt--then our friend Ortmann is most probably at home," whispered the
+flying-man. "As the motor is still running it will drown any noise, and
+we might get inside without being heard. Are you ready to risk it?"
+
+"With you, dear, I'll risk anything that may be for my country's
+benefit," she declared. Then he pressed her soft hand in his, stooping
+till his lips met hers.
+
+As they stood there in that single blissful moment, there came the sound
+of a train suddenly emerging from a long tunnel in the side of the hill
+in the near vicinity, and with the light of the furnace glaring in the
+darkness it sped away eastward. Its sound showed it to be a goods
+train--one of the many which, laden with munitions from the Midlands,
+went nightly towards the coast on their way to the British front.
+
+Only then did they realise that the railway-line ran along the end of
+the grounds, and that the mouth of the great G--Tunnel was only five
+hundred yards or so from where they stood. Kennedy took from his pocket
+a small jemmy in two pieces, which he screwed together, and then began
+to examine each of the French windows which led on to the lawn. All
+were closed, with their heavy wooden shutters secured.
+
+The shutters of one, however, though closed, had, he saw by the aid of
+his flash-lamp, not been fastened. The dog, Jack, following his
+mistress, was sniffing and assisting in the investigation.
+
+Examining the long window minutely, they saw that it had been closed
+hurriedly and, hence, scarcely latched. The room, too, was in darkness.
+
+Suddenly, just as Kennedy was about to make an attempt to enter, the
+electric light was switched on within the room, and the pair had only
+time to slip round the corner of the house, when the French window
+opened, and four men stepped forth upon the lawn, conversing in whispers
+as they walked on tiptoe together across the gravel on to the grass.
+
+"I wonder what's up!" whispered Kennedy to Ella. "Let us follow and
+see."
+
+This they did, keeping always in the dark shadows, and retracing their
+footsteps to the edge of the wood close to where the railway ran.
+
+As they watched they saw that, having crossed the lawn, the four men
+entered a meadow adjoining, and they then recognised the figures of
+Drost and Ortmann with two strangers. They all walked straight to the
+corner where stood an old cow-shed, and into this they all four
+disappeared.
+
+For a full half-hour they remained there, Kennedy and his well-beloved
+crouching beneath a bush in wonder at what there could be in the
+cow-shed to detain them so long.
+
+The shed was at the base of a high wooded hill. Away, at some distance
+on the left, the railway-line entered the great tunnel which pierced the
+hill, and through it ran one of the most important railways from the
+Midlands to the East Coast.
+
+The reason of their long absence in that tumbledown cow-shed was
+certainly mysterious. The lovers strained their ears to listen, but no
+sound reached them.
+
+"Very curious!" whispered Kennedy. "What, I wonder, should detain them
+so long? There is some further mystery here, without a doubt.
+Something of interest is in progress."
+
+Suddenly, all four men emerged from the shed laughing and chatting in
+subdued tones. Drost was carrying his hat in his hand.
+
+They passed within ten yards of the lovers, and as they went by they
+overheard Drost say in German: "To-morrow night at 11:30 a heavy
+munition train will come through the tunnel. Then we shall see!"
+
+And at his words his three companions laughed merrily as they walked
+back to the house.
+
+Kennedy and the popular revue artiste--the girl whose name was as a
+household word, and whose songs were sung everywhere--crouched in
+silence watching the men until they had disappeared through that long
+French window opening on to the lawn.
+
+Then, when they were alone, Kennedy said in a low voice:
+
+"There's more going on here, Ella, than we at first anticipated--much
+more! I wonder what secret that old shed contains--eh?"
+
+"Let's investigate!" the girl beside him suggested eagerly.
+
+Five minutes later they emerged from the shadow, and hurrying quickly
+across the grass, entered the old tumbledown shed, whereupon Kennedy
+switched on his electric torch, when there became revealed a wide hole
+in the ground, which sloped away steeply in the darkness.
+
+"Hulloa! Why, here's a tunnel!" exclaimed Kennedy in surprise.
+"They've been down there, evidently! I wonder where it leads to?"
+
+Then, as they both glanced around, they saw a thin, twisted electric
+cable containing two wires which led from a cigar-box on the ground in a
+corner away down into the tunnel. Kennedy lifted the lid of the box,
+and within found an electric tapping-key with ebonite base and two small
+dry cells for the supply of the current.
+
+"Now what can this mean, I wonder? Some devil's work here, without a
+doubt!" he said. "Let us ascertain."
+
+Together the pair carefully descended into the narrow tunnel that had
+been driven into the side of the hill, evidently by expert hands, for
+its roof had been shored up along the whole length with trees cut from
+the wood. Away along the narrow passage they groped, finding it so low
+that they were compelled to bend and creep forward in uncomfortable
+positions until they came to a sudden turn.
+
+Whoever had constructed it had also succeeded--as was afterwards found--
+in cleverly disguising the great heap of earth excavated. He had also
+probably misread his bearings, for at one point the subterranean gallery
+went away at right angles for about fifty yards, until there--where the
+atmosphere was heavy and oppressive because of lack of ventilation--
+stood several petrol-tins. To one of them the end of the cable leading
+from the unsuspicious cow-shed had been attached.
+
+As they stood staring at the petrol-tins a sudden roar slowly
+approaching sounded directly overhead--a heavy rumble of wheels. Then
+it died away again.
+
+"Hark!" gasped Ella. "Isn't that a train? Why, we are directly under
+the railway-line running through the tunnel."
+
+"Yes, dear. A touch upon that key up in the shed and we should be blown
+out of recognition, and the tunnel, one of the most important on the
+line of railway communication running east and west across England,
+would be blocked for months."
+
+"That is what those devils intend!" Ella declared. "How can we
+frustrate them?"
+
+Seymour Kennedy reflected for a few seconds, holding his torch so that
+its rays fell upon those innocent-looking petrol-tins at the end of the
+cunningly contrived sap. Then he took up one of them and carrying it
+said:
+
+"Let's get back, dear. We know the truth now."
+
+"It is evident that they intend to blow in the tunnel from below,"
+declared Ella, as they crept back along the narrow gallery.
+
+"Without a doubt," was her lover's reply. "Mr Horton, as he is known,
+took the house with but one object--namely, to cut the railway-line to
+the coast--the line over which so much war material for the front goes
+nightly. Truly, the Hun leaves nothing to chance."
+
+"And my father is actually assisting in this dastardly work?"
+
+"I'm afraid he is, darling. But so long as we remain wary and watchful,
+I hope we may be able to combat the evil activities of these assassins."
+
+"I'm ready to help you always, as you know," was the girl's ready reply.
+"But it grieves me that father is so completely German in his actions."
+
+"It is but natural, Ella. He is a German. If he were English, and
+lived secretly in Germany, he would act as an Englishman. All enemy
+aliens should have been interned long ago."
+
+Ever and anon, on their way back to the opening, they both stumbled upon
+the wire, while Seymour, carrying the petrol-tin, evidently filled with
+some heavy explosive, followed his well-beloved, who held the torch.
+
+At last they emerged from the close atmosphere of the long, tortuous
+gallery that had been secretly driven to a point exactly beneath the
+railway-line in the very heart of the hill, and once again stood upright
+in the shed. Their clothes were muddy, and their hands and faces were
+besmeared with mud.
+
+At last Kennedy put down the square heavy tin, the cap of which he very
+carefully unscrewed, and then examined it by aid of his torch, smelling
+it critically.
+
+Taking from his pocket a strong clasp-knife he went back into the tunnel
+again for about fifty yards. With a swift cut he severed the lead which
+led away to the concealed tins of explosive, and bringing it back with
+him to the shed, took the severed end, unravelled the silk insulation of
+both wires, bared them by scraping them thoroughly with his knife, and
+with expert hand attached them to a detonator which he had taken from
+the tins concealed at the end of the gallery.
+
+Having done this he put the detonator into the opening of the petrol-tin
+which, with its wire lead, he afterwards carefully concealed behind a
+heap of straw in the corner. He had taken care to replace the cable
+leading from the cigar-box exactly as he had found it, therefore, to the
+eye, it looked as though nothing had been touched. The cable ran into
+the underground passage, it was true, but it returned back again into
+the cow-shed, and into the tin of high-explosive.
+
+Kennedy, who knew something of mining, had noticed that half-way along
+the working a quantity of earth had been left for the purpose of tamping
+the gallery, in order that the force of the explosion should go upward,
+and not come back along the subterranean passage. Before the Kaiser's
+secret agents exploded the mine they would, no doubt, fill up the
+gallery at that point before completing the electric circuit.
+
+It was evident that on that night the four men had made a final
+inspection before exploding the mine.
+
+Therefore, quite confident in what they had achieved, Ella and her lover
+crept back, and away through the wood to where they had left the car.
+
+At six o'clock on the following morning, the Victoria Hotel in Sheffield
+being always open, Ella entered alone, and ascended to her room.
+
+Next evening at half-past seven she met her lover again in the Ecclesall
+Road, and he drove her out in the car away through Eckington and Clowne,
+to the wood from which they had watched on the previous night.
+
+The weather was muggy and overcast, with low, heavy clouds precursory of
+a thunderstorm.
+
+There was plenty of time. The attempt would probably be made at
+half-past eleven when the munition train passed through, it being
+intended to explode the whole train as well as the mine in the heart of
+the tunnel, so as to produce a terrific upheaval by which the tunnel
+would be blocked for, perhaps, a mile.
+
+Arrived at the edge of the wood, in sight of the lawn and house beyond,
+soon after ten o'clock, the lovers sat together upon a fallen tree
+conversing in whispers, and awaiting the result of the counterplot.
+
+They were, however, in ignorance of what was transpiring within the
+house.
+
+Truth to tell, Ortmann and Drost were at that moment in one of the
+servants' bedrooms upstairs, which had been cleared out, and where, upon
+a long table, stood a complete wireless set both for receiving and
+transmission.
+
+"That fellow Kennedy is _here_!--and with my girl Ella!" gasped old
+Drost, who had just come into the room. "I've been across to the wood.
+They're actually here!"
+
+"_Kennedy here_!" exclaimed Ortmann, his face pale in an instant. "How
+could he possibly know?"
+
+"Well, he's here! What shall we do?"
+
+Ortmann stood for a few moments reflecting deeply.
+
+Slowly an evil, sinister grin overspread his countenance.
+
+"Your girl," he said in German, in a deep voice. "She is your daughter.
+You wish to protect her--eh?"
+
+"No, she's English. We are Germans."
+
+"Excellent. I knew that you were a good Prussian. Then I may act--eh?"
+
+"Entirely as you wish. We must get rid of these watch-dogs," snarled
+the old man in a venomous voice.
+
+Ortmann, without further word, descended the stairs and entered the
+dining-room wherein sat two men, Germans, naturalised as British
+subjects, by name Bohlen and Tragheim.
+
+To the first-named he gave certain and definite instructions, these
+being at once carried out.
+
+Kennedy and Ella, both, of course, quite unconscious that their presence
+had been discovered by the wily Drost, saw a tall man, a stranger,
+carrying a thick stick, cross the lawn to the gate which gave entrance
+to the wood, and watched how he remained there for about ten minutes,
+while presently there emerged a second figure, who crossed to the
+cow-shed wherein the electric tapping-key remained concealed.
+
+Kennedy glanced at his wrist-watch.
+
+The munition train was almost due to enter the tunnel, therefore the
+stranger Tragheim, one of Ortmann's poor, miserable dupes, had been sent
+forward to depress the key as soon as he heard the second bell ring in
+the signal-box at the exit of the tunnel--all the signal bells being
+distinctly heard in the night from the door of the shed.
+
+The ringing of that second bell would announce that the train was
+passing over the exact point in the line under which the mine had been
+laid.
+
+The man Bohlen, seeing his companion come out, moved away from the gate
+across the lawn back to the house, whereupon Kennedy crept up to the
+spot where the German had been standing, and whence they could obtain a
+good view of the shed from which the dastardly attempt was to be made.
+
+Beside the gate they found a walking-stick--a thick one made of bamboo.
+
+"That fellow has forgotten his stick," remarked Kennedy, taking it up,
+all unconscious of the peril.
+
+From one of the darkened windows of the house Ortmann was watching his
+action, and chuckled.
+
+Of a sudden, however, a fierce blood-red flash lit up the whole
+country-side, and with a deafening roar, the shed was hurled high into
+the air, together with the shattered remains of the man who had pressed
+the key.
+
+Instead of exploding the mine under the railway tunnel, as was intended,
+he had exploded the tinful of picric acid derivative which Kennedy had
+concealed beneath the straw!
+
+Then, a few seconds later, the heavy train laden with munitions for the
+British front emerged from the tunnel in safety, its driver all
+unconscious of the desperate attempt that had been made by the enemy in
+our midst.
+
+Kennedy, having witnessed the consummation of his well-laid plan to blow
+up any conspirator who touched the key, cast the walking-stick to the
+ground and, taking Ella's arm, retraced his steps through the woods.
+
+But they had not gone far ere a second explosion, a sharp concussion
+which they felt about them, came from somewhere behind them.
+
+"Funny!" he remarked to his well-beloved. "I wonder what that second
+noise was, dearest?"
+
+"I wonder," said Ella, and they both hurried back to their car.
+
+CHAPTER THREE.
+
+THE HYDE PARK PLOT.
+
+Two men sat in a big, handsome dining-room in one of the finest houses
+in Park Lane. One was Theodore Drost, dressed in his usual garb of a
+Dutch pastor. A look of satisfaction overspread his features as he
+raised his glass of choice Chateau Larose.
+
+Opposite him at the well-laid luncheon table sat his friend, Ernst
+Ortmann, alias Horton, alias Harberton, the super-spy whose hand was--if
+the truth be told--"The Hidden Hand" upon which the newspapers were ever
+commenting--that secret and subtle influence of Germany in our midst in
+war-time.
+
+Count Ernst von Ortmann was a very shrewd and elusive person. For a
+number of years he had been a trusted official in the entourage of the
+Kaiser, and having lived his early life in England, being educated at
+Oxford, he was now entrusted with the delicate task of directing the
+advance guard of the German army in this country.
+
+Two years before the war Mr Henry Harberton, a wealthy, middle-aged
+English merchant from Buenos Ayres, had suddenly arisen in the social
+firmament in the West End, had given smart dinners, and, as an eligible
+bachelor, had been smiled upon by many mothers with marriageable
+daughters. His luncheon-parties at the Savoy, the Ritz, and the Carlton
+were usually chronicled in the newspapers; he was financially interested
+in a popular revue at a certain West End theatre, and the rumour that he
+was immensely wealthy was confirmed when he purchased a fine house
+half-way up Park Lane--a house from which, quite unsuspected, radiated
+the myriad ramifications of Germany's spy system.
+
+With Henry Harberton, whose father, it was said, had amassed a huge
+fortune in Argentina in the early days, and which he had inherited,
+money was of no account. The fine London mansion was sombre and
+impressive in its decoration. There was nothing flamboyant or
+out-of-place, nothing that jarred upon the senses: a quiet, calm, and
+restful residence, the double windows of which shut out the sound of the
+motor-'buses and taxis of that busy thoroughfare where dwelt London's
+commercial princes. Surely that fine house was in strange contrast to
+the obscure eight-roomed one in a long, drab terrace in Park Road,
+Wandsworth Common, where dwelt the same mysterious person in very humble
+and even economical circumstances as Mr Horton, a retired tradesman
+from the New Cross Road.
+
+As Ortmann sat in that big dining-room in Park Lane, a plainly decorated
+apartment with dead white walls in the Adams style, and a few choice
+family portraits, his friend, Drost, with his strange triangular face,
+his square forehead and pointed grey beard, presented a picture of the
+true type of Dutch pastor, in his rather seedy clerical coat and his
+round horn-rimmed spectacles.
+
+The pair had been discussing certain schemes to the detriment of the
+English: schemes which, in the main, depended upon the crafty old
+Drost's expert knowledge of high-explosives.
+
+"Ah! my dear Count!" exclaimed the wily old professor of chemistry in
+German, as he replaced his glass upon the table. "How marvellously
+clever is our Emperor! How he befooled and bamboozled these silly sheep
+of English. Listen to this!" and from his pocket-book he drew a large
+newspaper cutting--two columns of a London daily newspaper dated
+Wednesday, October 28, 1908.
+
+"What is that?" inquired the Kaiser's arch-spy, his eyebrows narrowing.
+
+"The interview given by the Emperor to a British peer in order to throw
+dust into the eyes of our enemies against whom we were rapidly
+preparing. Listen to the Emperor's clever reassurances in order to gain
+time." Then, readjusting his big round spectacles, he glanced down the
+columns and read in English the following sentences that had fallen from
+the Kaiser's lips: "You English are mad, mad, mad as English hares.
+What has come over you that you are so completely given over to
+suspicions unworthy of a great nation? What more can I do than I have
+done? My heart is set upon peace, and it is one of my dearest wishes to
+live on the best of terms with England. Have I ever been false to my
+word? Falsehood and prevarication are alien to my nature. My actions
+ought to speak for themselves, but you listen not to them, but to those
+who misinterpret and distort them. This is a personal insult, which I
+feel and resent!"
+
+Drost replaced the cutting upon the table, and both men burst into
+hilarious laughter.
+
+"Really, in the light of present events, those printed words must cause
+our dear friends, the English, considerable chagrin," declared Ortmann.
+
+"Yes. They now see how cleverly we have tricked them," said Drost with
+a grin. "That interview gave us an increased six years for preparation.
+Truly, our Emperor is great. He is invincible!"
+
+And both men raised their tall Bohemian glasses in honour of the
+Arch-Murderer of Europe.
+
+That little incident at table was significant of the feelings and
+intentions of the conspirators.
+
+"Your girl Ella is still very active, and that fellow Kennedy seems
+ever-watchful," Ortmann remarked presently in a decidedly apprehensive
+tone. "I know, of course, that your daughter would do nothing to harm
+you personally; but remember that Kennedy is a British naval officer,
+and that he might--from patriotic motives--well--"
+
+"Kill his prospective father-in-law--eh?" chimed in the Dutch pastor,
+with a light laugh.
+
+The Count hesitated for a second. Then he said:
+
+"Well, perhaps not exactly kill you, but he might make things decidedly
+unpleasant for us both, if he got hold of anything tangible."
+
+"Bah! Rest assured that he'll never get hold of anything," declared
+Drost. "I've had him out to Barnes to dinner once or twice lately, but
+he's quite in the dark."
+
+"Are you absolutely certain that he knows nothing of what is in progress
+in your laboratory upstairs!" queried Ortmann. "Are you absolutely
+certain that Ella has told him nothing?"
+
+"Quite--because she herself knows nothing."
+
+"If she knows nothing, then why are we both watched so closely by
+Kennedy?" asked Ortmann dubiously.
+
+"Bah! Your fancy--mere fancy!" declared the professor of chemistry. "I
+know you've been unduly suspicious for a long time, but I tell you that
+Ella and her lover are far too much absorbed in their own affairs to
+trouble about our business." Ortmann shrugged his shoulders. He did
+not tell his friend Drost the true extent of his knowledge, for it was
+one of his main principles never to confide serious truths to anybody.
+By that principle he had risen in his Emperor's service to the high and
+responsible position he now occupied--the director of The Hidden Hand.
+
+As such, he commanded the services of many persons of both sexes in the
+United Kingdom. Some were persons who, having accepted German money or
+German favours in the pre-war days, were now called upon to dance as
+puppets of Germany while the Kaiser played the tune. Many of them,
+subjects of neutral countries, had been perfectly friendly to us, but
+since the war the relentless thumbscrew of blackmail had been placed
+upon them by Ernst von Ortmann, and they were compelled to do his
+bidding and act against the interests of Great Britain.
+
+Over the heads of most of them, men and women--especially the latter--
+the wily Ortmann and his well-organised staff held documentary evidence
+of such a damning character that, if handed to the proper quarter, would
+either have caused their arrest and punishment, or, in the case of the
+fair sex, cause their social ostracism. Hence Ortmann held his often
+unwilling agents together with an iron hand which was both unscrupulous
+and drastic. Woe betide either man or woman who, having accepted
+Germany's good-will and favours before the war, now dared to refuse to
+do her dirty work.
+
+Truly, the Hidden Hand was that of the "mailed-fist" covered with
+velvet, full of double cunning and irresistible influence in quite
+unsuspected quarters.
+
+Old Theodore Drost was but a pawn in Germany's dastardly attack upon
+England, but a very valuable one, from his intimate knowledge of
+explosives. Moreover, as an inventor of death-dealing devices, he
+certainly had no equal in Europe.
+
+In order to discuss in secret a daring and terrible plot, the pair had
+lunched in company at Park Lane.
+
+At that same hour, on that same day, Flight-Commander Seymour Kennedy,
+in his naval uniform with the "pilot's wings," was on leave from a
+certain air-station on the South-East coast, and was seated opposite
+Ella Drost in the Cafe Royal, in Regent Street, discussing a lobster
+salad _tete-a-tete_.
+
+It was one of the favourite luncheon places of Drost's daughter.
+
+The revue in which she had been appearing and in which, by the way,
+Ortmann was financially interested in secret, had finished its season,
+and the theatre had closed its doors for the summer. Consequently Ella
+had taken a tiny riverside cottage near Shepperton-on-Thames, though she
+still kept open her pretty flat in Stamfordham Mansions, her faithful
+French maid, Mariette, being in charge.
+
+"You seem worried, darling," Kennedy whispered, as he bent across the
+table to her. "What's the matter?"
+
+"I've already told you."
+
+"But you really don't take it seriously, do you?" asked the well-known
+air-pilot. "Surely it's only a mere suspicion."
+
+"It is fortunate that I succeeded in obtaining for you an impression of
+the key of the laboratory," was the girl's reply.
+
+"Yes. It was. Your father never dreams that we know all that is in
+progress there. It's a real good stunt of yours to keep in with him,
+and stay at Barnes sometimes."
+
+"Well, I've told you what I ascertained the night before last. Ortmann
+was there with the others. There's a big _coup_ intended--a dastardly
+blow, as I have explained."
+
+And in the girl's eyes there showed a hard, serious expression, as she
+drew a long breath. It was quite plain to her lover that she was full
+of nervous apprehension, and that what she had related to him was a
+fact.
+
+Another deeply-laid plot was afoot, but one so subtle and so daring that
+Kennedy, with his cheerful optimism and his high spirits, could not yet
+fully realise its nature.
+
+Ella had, an hour before, told him a very remarkable story.
+
+At first, so extraordinary and improbable had it sounded, that he had
+been inclined to pooh-pooh the whole affair, but now, amid the clatter
+and bustle of that cosmopolitan restaurant, the same to-day as in the
+mid-Victorian days, he began to realise that the impression left upon
+his well-beloved, by the knowledge she had obtained, had been a
+distinctly sinister one.
+
+"Well, dearest," he said, again leaning across the little
+_table-a-deux_, "I'll go into the matter at once if you wish it, and
+we'll watch and wait."
+
+"Yes, do, Seymour," exclaimed the girl anxiously. "I'll help you.
+There is a deeply-laid plot in progress. Of that I'm quite certain--
+more especially because Ortmann came to see dad yesterday morning and
+went to see him again to-day."
+
+"You overheard some of their conversation--eh?"
+
+"I did," was her open response. "And for that reason I am so full of
+fear."
+
+At nine o'clock that same night, in accordance with an appointment, Ella
+Drost stood upon the whitewashed kerb in Belgrave Square, at the corner
+of West Halkin Street.
+
+Darkness had already fallen. The London streets were gloomy because of
+the lighting order, and hardly a light showed from any house in the
+Square.
+
+For fully ten minutes she waited until, at last, from out of Belgrave
+Place, a car came slowly along, and pulled up at the spot where she
+stood.
+
+In a moment Ella had mounted beside her lover who, next second, moved
+off in the direction of Knightsbridge.
+
+"It's rather fortunate that we've met here, darling," were his first
+words. "Since we were together this afternoon I have been followed
+continuously. Had I called at Stamfordham Mansions, Ortmann would have
+had his suspicions confirmed. But I've successfully eluded them, and
+here we are."
+
+"I know--I feel sure that Ortmann suspects us. Why does he live as Mr
+Horton over at Wandsworth Common?"
+
+"Because he is so infernally clever," laughed the air-pilot, in his
+cheery, nonchalant way.
+
+Neither of them knew, up to that moment, anything more of Mr Henry
+Harberton, of Park Lane, save reading in the papers of his social
+distinction. Neither Kennedy nor his charming well-beloved had dreamed
+that Ortmann, alias Horton, patriotic Britannia-rule-the-Waves
+Englishman, was identical with that meteoric planet in the social
+firmament of London, Mr Henry Harberton, whose wealth was such that
+even in war-time he could give two-guinea-a-head luncheons to his
+friends at one or other of the half-dozen or so London restaurants which
+cater for such clients.
+
+Seymour Kennedy was driving the car swiftly, but Ella, nestling beside
+him, took no heed of the direction in which they were travelling. The
+night-wind blew cold and he, solicitous of her welfare, bent over and
+with his left hand drew up the collar of her Burberry.
+
+They were leaving London ere she became aware of it, travelling
+westward, branching at Hounslow upon the old road to Bath, the road of
+Dick Turpin's exploits in the good old days of cocked-hats,
+powder-and-patches, and three-bottle men.
+
+Passing through Slough, they crossed the river at Maidenhead and again
+at Henley, keeping on the ever ascending high-road over the Chilterns,
+to Nettlebed, until they ran rapidly down past Gould's Grove through
+Benson, and past Shillingford where, a short distance beyond, he pulled
+up and, opening a gate, placed the car in a meadow grey with mist.
+
+Afterwards the pair, leaving the high-road, turned into a path which led
+through the fields down to the river. Reaching it at a point not far
+from Day's Lock, they halted.
+
+Before them, between the pathway and the river's brink, there showed a
+lighted window obscured by a yellow holland blind, the window of a
+corrugated iron bungalow of some river enthusiast, the room being
+apparently lit by a paraffin lamp.
+
+Carefully, and treading upon tiptoe, they crept forward without a sound,
+and, approaching the square, inartistic window, halted and strained
+their ears to listen to the conversation in progress within.
+
+Words in German were being spoken. Ella listened, and recognised her
+father's voice. Ortmann was speaking, too, while other voices of
+strangers also sounded.
+
+What Seymour overheard through the thin wood-and-iron wall of the
+riverside bungalow quickly convinced him that Ella's suspicions were
+only too well founded. A desperate conspiracy to commit outrage was
+certainly being formed--a plot as daring and as subtle as any ever
+formed by the Nihilists in Russia, or the Mafia in Italy.
+
+The Germans, _par excellence_ the scientists of Europe, were out to win
+the war by frightfulness, just as thousands of years ago the Chinese won
+their wars by assuming horrible disguises and pulling ugly faces to
+bring bad luck upon their superstitious enemies. The Great War Lord of
+Germany, in order to save his throne and substantiate his title of
+All-Highest, had set loose his sorry dogs of depravity, degeneracy, and
+desolation. And he had planted in our island a clever and unscrupulous
+crew, headed by Ortmann, whose mission was, if possible, to wreck the
+Ship of State of Great Britain.
+
+The air-pilot listened to the conversation in amazement. He realised
+then how Ella had exercised a shrewder watchfulness than he had ever
+done, although he had believed himself so clever.
+
+Therefore, when she whispered, "Let's get away, dear, or we may be
+discovered," he obeyed her, and crawled off over the strip of gravel to
+the grass, after which both made their way back to the footpath.
+
+"Well?" asked the popular actress, as they strode along hand in hand to
+where they had left the car. "What's your opinion now--eh? Haven't you
+been convinced?"
+
+"Yes, darling. I can now see quite plainly that there is a plot on foot
+which, if we are patriots, you and I, we must scotch, at all hazards."
+
+"I agree entirely, Seymour," was the girl's instant reply. "I tried to
+warn you a month ago, but you were not convinced. To-day you are
+convinced--are you not? I am acting only for my dear dead mother's
+country, for, strictly speaking, being the daughter of a German, I am an
+alien enemy."
+
+------------------------------------------------------------------------
+
+About two o'clock one morning, about a week later, the dark figure of a
+man in a shabby serge suit and golf-cap, treading noiselessly in
+rubber-shoes, crossed Hammersmith Bridge in the direction of Barnes and,
+passing along that wide open thoroughfare, paused for a moment outside
+the house of the Dutch pastor, Mr Drost. Then, finding himself
+unobserved, he slipped into the front garden and, bending, concealed
+himself in some bushes.
+
+He had waited there for ten minutes or so, watching the dark, silent
+house, when, slowly and noiselessly, the front door opened, and next
+moment Kennedy and Ella were face to face. The latter wore a pretty
+pale-blue dressing-gown, for she had just risen from bed, she having
+spent the last two days at her father's house.
+
+With a warning finger upon her lips, and with a small flash-lamp in her
+hand, she led her lover up three flights of stairs to the door of that
+locked room, which she silently opened with her duplicate key.
+
+"Father and the man Hans Rozelaar have been at work here nearly all
+day," she whispered, when at last they halted before the long deal table
+upon which stood Drost's chemical apparatus.
+
+Kennedy's shrewd eyes were quick to notice what was in progress in
+secret.
+
+With some curiosity he took up a tube of tin about a foot long and four
+inches in diameter. On examining it he saw that through the centre was
+a second tin tube of about an inch in diameter. Holding it as a
+telescope towards the light he could see through the inner tubes and
+noticed that near one end of it a small steel catch was protruding.
+Further and minute examination revealed that to the catch could be
+attached a time-fuse already concealed between the inner and outer
+tubes.
+
+"This is evidently some ingenious form of hand grenade," whispered
+Kennedy. "It's all ready for filling. But why, I wonder, should a tube
+run through the middle in this way?"
+
+He was pondering with it in his hand, when his gaze suddenly fell upon
+something else which was lying close to the spot where he found the tin
+tube.
+
+It was a thin ash walking-stick. On Kennedy taking it up it presented a
+peculiar feature, for as he grasped it there sounded a sharp metallic
+click. Then, to his surprise, he discovered that he had inadvertently
+released a spring in the handle, this in turn releasing four small steel
+points half-way down the stick.
+
+"Curious!" he whispered to his well-beloved, for Drost was sleeping
+below entirely unconscious of the intruders in his secret laboratory.
+"What connection can the stick have with the grenade--if not for the
+purpose of throwing?"
+
+He therefore placed the inner tube over the little knob of the stick,
+and found that it just fitted, so that with plenty of play it slid down
+as far as the projecting points which, after striking the little steel
+catch which would be connected with the fuse, allowed it to pass over
+freely and leave the stick.
+
+"Ah! I've got it!" he whispered excitedly. "The grenade can be carried
+in the pocket with perfect safety, until when required it is placed over
+the handle of the stick and whirled off. As it passes the projections
+on the stick the time-fuse is set for so many seconds, and the grenade
+automatically becomes a live one. A very pretty contrivance indeed!--
+very pretty!" he added with a grin. "This, I must admit, does
+considerable credit to Ortmann, Drost and Company."
+
+Ella, who had been standing by, holding the electric torch, stood in
+wonder at the discovery. Truly, some of her father's inventions had
+been diabolical ones.
+
+Kennedy saw that the ash-stick had been finished and was in working
+order. All was complete, indeed, save the filling of the deadly
+grenade, the attaching of the fuse, and the painting of the bright tin.
+
+For fully five minutes the air-pilot stood in silence, deeply pondering.
+
+Then, as a sudden idea occurred to him, he said quickly:
+
+"I must take this stick, Ella. I'll be back again by four o'clock, and
+will leave it just outside the front door. You take it in, and replace
+it exactly as we found it."
+
+He lost no time. In five minutes he had crept from that dark house of
+mystery and death, and, carrying the stick, returned across Hammersmith
+Bridge.
+
+At ten minutes to four he was back again in Barnes and had left the
+suspicious-looking ash-stick against the front door, afterwards going to
+his rooms to snatch a few hours' sleep.
+
+Next day happened to be Sunday, but at noon on Monday Mr Merton
+Mansfield, one of the most active members of the Cabinet, as well as one
+of the most popular of Cabinet Ministers, presided at the unveiling of a
+number of captured German guns which had been drawn up in Hyde Park in
+order that the public might be afforded an opportunity of seeing the
+trophies of war in Flanders won by British pertinacity and pluck.
+
+Accompanying Merton Mansfield, the people's idol, the man in whom Great
+Britain trusted to see that all was well, and who was, at the same time,
+hated and feared by the Germans, were several other members of the
+Cabinet.
+
+The crowd outside the wire fence, within which stood the shrouded guns,
+was a large one, for some patriotic speeches were expected. Ella and
+Kennedy were among the spectators eagerly watching the movements of a
+thin-faced, well-dressed, middle-aged man, who wore an overcoat, in the
+left-hand pocket of which was something rather bulky, and who carried in
+his hand an ash-stick.
+
+The man's name was Hans Rozelaar, known to his friends by the English
+name of Rose. By the fellow's movements it was plain that he was quite
+unsuspicious of the presence of the daughter of his fellow-conspirator,
+Theodore Drost.
+
+Gradually he had worked himself through the crowd until he stood in the
+front row behind the wire which fenced off the guns with the Cabinet
+Ministers and their friends, and within ten yards or so of where stood
+Mr Merton Mansfield.
+
+Kennedy was beside Ella some distance away, watching breathlessly. It
+had been his first impulse to go to Scotland Yard and reveal what they
+had discovered, but after due consideration he saw that the best
+punishment for the conspirators was the one he had devised.
+
+But if it failed? What if that most deadly grenade was exploded in the
+group of Great Britain's leaders--the men who were working night and
+day, and working with all their might and intelligence, to crush the Hun
+effectively, even though so slowly.
+
+A roar of applause rose from the crowd as Merton Mansfield removed his
+hat preparatory to speaking. The short, stout, round-faced Cabinet
+Minister who, in the days of Sir Henry Campbell-Bannerman's Premiership,
+had been so unpopular with the working-class, yet who had now come to
+the forefront as the saviour of our dear old England, smiled with
+pleasure at his hearty reception.
+
+The little group of England's greatest men, Cabinet Ministers and
+well-known politicians, with a sprinkling of men in khaki, clustered
+round him, as he commenced to address the assembly, to descant upon the
+heroic efforts of "French's contemptible little Army," of their great
+exploits, of their amazing achievements, and the staggering organisation
+of Lord Kitchener.
+
+"Here, before you, you have some small souvenirs--some small idea of the
+weapons which the unscrupulous fiends who are our enemies are using
+against our gallant troops. They, unfortunately, are not gallant
+soldiers, these Huns in modern clothing--they are pirates with the skull
+and crossbones borne upon the helmets of their crack regiments. Yet we
+shall win--I tell you that we shall win, be the time long or short, be
+the sacrifice great or small--we shall win because Right, Truth, and
+God's justice are with us! And I will here give you a message from the
+Prime Minister--who would have been here, if it were not for the fact
+that he is at this moment having audience of His Majesty the King."
+
+A great roar of applause greeted this announcement, when, suddenly, a
+loud explosion sounded, startling everyone and causing women to scream.
+
+The lovers, who had kept their eyes upon the man in the overcoat, saw a
+red flash, and saw him reel and fall to earth with his face blown away.
+
+They had seen how he had placed the grenade over his ash-stick, and how,
+a second later, he had sharply slung it across from right to left,
+intending the deadly bomb to land at Mr Merton Mansfield's feet.
+
+Instead, with its fuse set by the little points of steel protruding from
+the stick, it had, nevertheless, failed to pass from the stick, because
+of the small piece of thin wire which Seymour Kennedy had driven through
+just above the ferrule, on that night when he had afterwards left the
+stick at old Drost's front door. His quick intelligence had shown him
+that the empty grenade had already been tried upon the stick, and that
+when filled, and the fuse attached, it certainly would not be tested
+again.
+
+Hans Rozelaar had slung the grenade just as old Theodore Drost had
+instructed him, but it had remained fast at the end of the stick, and
+ere he could release it, it had exploded, blowing both his hands off and
+his features out of all recognition, though, very fortunately, injuring
+no one else.
+
+"Come, darling. We have surely seen enough!" whispered Seymour Kennedy
+softly to Ella, as they watched the great sensation caused by the
+self-destruction of the conspirator, and the hurry of the police towards
+the dead man. "The Ministers will very soon discover for themselves how
+narrowly they have escaped."
+
+And as they both turned away, Ella, looking fondly into her lover's
+face, remarked in a low voice: "Yes, indeed, Seymour. They certainly
+owe their safety to you!"
+
+CHAPTER FOUR.
+
+THE EXPLOSIVE NEEDLE.
+
+"Then you suspect that another plot is in progress, Ella?"
+
+"I feel confident of it. The Count is furious at the failure of the
+conspiracy against Mr Merton Mansfield. He came to see father last
+night. I did not gather much, as I had to get away to the theatre, but
+I overheard him suggest that some other method should be tried," replied
+Ella Drost.
+
+She was sitting in the dainty little drawing-room of the flat in
+Stamfordham Mansions, chatting with her airman lover.
+
+"Of course," he said. "Ortmann and your father were well aware that
+Merton Mansfield is still the strongest man in the whole Government, a
+marvellous organiser, and the really great man upon whom Britain has
+pinned her faith."
+
+"They mean to work some evil upon him," the girl said apprehensively.
+"I'm quite certain of it! Cannot we warn him?"
+
+"I did so. I wrote to him, urging him to take precautions, and
+declaring that a plot was in progress," said Kennedy. "I suppose his
+secretary had the letter and probably held it back in order not to
+disturb him. Secretaries have a habit of doing that."
+
+Ella, whose cigarette he had just lit, blew a cloud of blue smoke from
+her lips, and replied:
+
+"Well, if that's the case then it is exceedingly wrong. The greatest
+care should be taken of those who are leading us to victory. Ah!
+dearest," she added with a sigh, "you do not know how bitter I feel when
+I reflect that my own father is a German and, moreover, a most deadly
+enemy."
+
+"I know, darling, I know," the man responded. "That's the worst of it.
+To expose the organiser of these conspirators would be to send your own
+father to prison--perhaps to an ignominious end."
+
+"Yes. All we can do is to watch closely and thwart their devilish
+designs, as far as we are able," the girl said.
+
+"Unfortunately, I'll have to go back to the air-station to-night, but
+I'll try to come up again for the week-end."
+
+Disappointment overspread the girl's face, but a second later she
+declared:
+
+"In that case I shall go and stay with father over at Barnes, and
+endeavour to discover what is intended."
+
+Therefore, that night, after her work at the theatre, she went to
+Theodore Drost's house at Barnes, instead of returning to the flat at
+Kensington. As she always kept her room there and her visits seemed to
+delight old Drost, she was always able to keep in touch with Kennedy and
+so help to frustrate the evil machinations of her father.
+
+As the days passed she became more than ever confident that another
+deep-laid plot was in progress. Nor was she mistaken, for, truth to
+tell, Ortmann was having many long interviews with his clever catspaw,
+the man who posed as the plain and pious pastor of the Dutch Church, old
+Theodore Drost.
+
+An incident occurred about a week later which showed the trend of
+events. The old pastor called one day at that modest, dreary little
+house close by Wandsworth Common, where Count Ernst von Ortmann, the man
+who secretly directed the agents of Germany in England, lived as plain
+Mr Horton whenever he grew tired of his beautiful house in Park Lane.
+Leading, by the fact of his occupation a dual existence, it was
+necessary for his nefarious purposes that he should frequently disappear
+into South London, away from the fashionable friends who knew him as Mr
+Henry Harberton.
+
+The pair were seated together that evening, smoking and discussing the
+cause of the failure of Rozelaar and the reason of his death by his own
+bomb.
+
+"Ah! my dear Theodore," exclaimed the Count, in German, throwing himself
+back in the old wicker armchair in that cheaply furnished room. "Your
+machine was too elaborate."
+
+"No, you are mistaken, it was simplicity itself," Drost declared.
+
+"Could anybody have tampered with it, do you think?"
+
+"Certainly not. Nobody knew--nobody saw it except ourselves and
+Rozelaar," Drost said.
+
+"And we very nearly blew ourselves up with it during the test. Do you
+remember?" laughed Ortmann.
+
+"Remember! I rather think I do. It was, indeed, a narrow escape. We
+won't repeat it. I'll be more careful, I promise you!" Drost assured
+his paymaster. "Yet I cannot guess how Rozelaar lost his life."
+
+"Well, we need not trouble. His was not exactly a precious life,
+Theodore, was it? The fellow knew a little too much, so, for us, it is
+perhaps best that the accident should have happened."
+
+"It is not the first time that fatal accidents have happened to those
+who, having served Germany, are of no further use," remarked Drost
+grimly.
+
+And at his remark the crafty Count--the man who directed the German
+octopus in Britain--smiled, but remained silent.
+
+Though Ella, still at Barnes, kept both eyes and ears open during the
+day--compelled, of course, to go to the theatre each evening--yet she
+could discover no solid fact which might lead her to find out what was
+in progress.
+
+The Count came very often over to Barnes, and on two or three occasions
+was accompanied by a fair-haired young man whose real name was
+Schrieber, but who had changed it to Sommer, and declared himself to be
+a Swiss. Indeed, he had forged papers just as old Drost possessed. The
+fabrication of identification-papers--with photographs attached--became
+quite an industry in Germany after war had broken out, while many
+American passports were purchased from American "crooks" and fresh
+photographs cleverly superimposed.
+
+One afternoon the young man Schrieber called, remained talking alone
+with Drost for about ten minutes, and then left. Presently the old man
+entered the drawing-room wherein his daughter was seated writing a
+letter. In his hand he carried a china vase about fourteen inches high,
+the dark-blue ornamentation being very similar to a "willow-pattern"
+plate. It was shaped something like a Greek amphora, and quite of
+ordinary quality.
+
+"Ella, dear," said her father, handing her the vase, "I wish you could
+get one exactly like this. You'll be able to get it quite easily at one
+of the big stores in the West End. A friend of mine has a pair, and has
+broken one."
+
+"Certainly, dad," was the girl's reply. "I'm going out this afternoon,
+and I'll take it with me." That afternoon Ella Drost went to several
+shops until at last, at one in Oxford Street, she found the exact
+replica. They were in pairs, and she was compelled to buy both. Later
+on she took them to Barnes, but before doing so she called in at her own
+flat and there left the superfluous vase.
+
+Old Drost seemed highly delighted at securing the exact replica of the
+broken ornament.
+
+"Excellent!" he said. "Excellent! Really, my dear child, I thought
+that you would have had to get it made. And making things in war-time
+is such a very long process."
+
+"I had a little trouble, but I at last got a clue to where they had been
+bought, and there, sure enough, they had one pair still in stock."
+
+"Excellent! Excellent!" he grunted, and he carried off both the pattern
+vase and its companion to his little den where he usually did his
+writing.
+
+That same evening, while the taxi was at the door to take Ella to the
+theatre, the Count called.
+
+"Ah! Fraulein!" he cried, as he entered the dining-room where Ella
+stood ready dressed in her smart coat and hat, as became one who had
+been so successful in her profession and drew such a handsome salary,
+much to the envy of her less fortunate fellow-artistes. "Why--you're
+quite a stranger--always away at the theatre whenever I call. I took
+some friends from the club to see you the night before last. That new
+waltz-song of yours is really most delightful--so catchy," he added,
+speaking in German.
+
+"Do you like it?" asked the bright, athletic girl who led such a strange
+semi-Bohemian life, and was yet filled with constant suspicion
+concerning her father. "At first I did not like singing it, because I
+objected to some of the lines. But I see now that everyone seems
+attracted by it."
+
+"No, Fraulein Ella!" exclaimed the Count, with his exquisite courtesy.
+"The public are not attracted by the song, but by your own _chic_ and
+charm."
+
+"Now, really, Count," exclaimed Ella, "this is too bad of you! If one
+of my stall-admirers had said so I would forgive him. But, surely, you
+know me too well to think that I care for flattery from you. I have
+been too long on the stage, I assure you. To me applause is merely part
+of the show. I expect it, and smile and bow when the house claps. It
+does not fill me with the least personal pride, I assure you. When I
+first went on the stage it certainly did. But to-day, after being all
+these years before the public--"
+
+"All these years!" echoed Ortmann, interrupting her. "Why, you are not
+much more than twenty now, Ella!"
+
+"And think, I've already been twelve years on the stage--a life hard
+enough, I can tell you!"
+
+"Yes, I know," remarked the Count. "But you'll forget all about your
+friend Commander Kennedy some day, I expect, and marry a wealthy man."
+
+Ella's eyebrows contracted for a few seconds.
+
+"Well--perhaps," she said. "But I may yet marry Mr Kennedy, you know!"
+
+Count Ernst Ortmann smiled--a hard evil expression upon his heavy lips.
+He held Seymour Kennedy in distinct suspicion.
+
+Indeed, when Ella had gone and he was standing with old Drost in the
+dining-room, he remarked:
+
+"I still entertain very grave suspicions regarding that fellow Kennedy.
+Couldn't you keep Ella away from him? Could not we part them somehow?
+While they are in love a distinct danger exists. He may learn something
+at any moment. My information is that he is particularly shrewd at
+investigations, and he may suspect. If so, then the game might very
+easily be up."
+
+"Bah! Do not anticipate any such _contretemps_. He knows nothing--take
+that from me. We have nothing whatever to fear in that direction,"
+Drost assured him. "If I thought so I should very soon take steps to
+part them."
+
+"How would you accomplish that?"
+
+Theodore Drost's narrow face--broad at the brow and narrow at the chin--
+puckered in a smile.
+
+"It would not be at all difficult," he said, with a mysterious
+expression. "I have something upstairs which would very soon effect our
+purpose and leave no trace--if it were necessary."
+
+"But it _is_ necessary," the Count declared.
+
+"One day it may be," Drost said. "But not yet."
+
+"Your girl is in love with him, and I suppose you think it a pity to--
+well, to spoil their romance, even in face of all that Germany has at
+stake!" remarked the Count, with an undisguised sneer. "Ah, my dear
+Drost! you pose as a Dutch pastor, but do you not remember our German
+motto: _Der beste prediger ist der Zeit_?" (Time is the best preacher.)
+
+"Yes, yes," replied the old man with the scraggy beard. "But please
+rely upon my wits. My eyes are open, and I assure you there is nothing
+whatever at present to fear."
+
+"Very well, Drost," Answered the Count. "I submit to your wider
+knowledge. But now that the girl has gone, we may as well go upstairs--
+eh? You've, of course, seen in to-night's paper that Merton Mansfield
+is to address the munition-makers in the Midlands in a fortnight's
+time."
+
+Old Drost again smiled mysteriously, and said:
+
+"I knew that quite a fortnight ago. Schrieber has been north. He
+returned only last Tuesday."
+
+"Did you send him north?"
+
+"I did. He went upon a mission. As you know, I am generally well ahead
+with any plans I make."
+
+"Plans! What are they? Really, my dear Theodore, you are a perfect
+marvel of clever inventiveness!"
+
+Ella's father shrugged his shoulders, and in his deep guttural German
+replied:
+
+"I am only doing my duty as a good loyal son of our own Fatherland."
+
+"Well spoken," declared the Count. "There is a good and just reward
+awaiting you after the war, never fear! Our Emperor does not forget
+services rendered. Let us go upstairs--eh? I am anxious to learn what
+you suggest."
+
+The pair ascended the stairs to the carefully locked room in the roof,
+that long, well-equipped laboratory wherein Theodore Drost spent so many
+hours daily experimenting in the latest discovered high-explosives.
+After Drost had switched on the light he carefully closed the door, and
+then, crossing to a long deal cupboard where hung several cotton
+overalls to protect his clothes against the splash of acids, he took out
+his military gas-masks--those hideous devices with rubber mouth-pieces
+and mica eye-holes, as used by our men at the front.
+
+"It is always best to take precautions," Drost said, as he handed his
+companion and taskmaster a helmet. "You may find it a little stifling
+at first, but it is most necessary."
+
+Both put on the masks, after which Drost handed the Count a pair of
+rubber gloves. These Ortmann put on, watching Drost, who did the same.
+
+"It is a good job, Count, that we are alone in the house, otherwise I
+could do no work. The gas is heavy, and any escaping from here will
+fall to the basement. One fourteen-thousandth part in air, and the
+result must be fatal. There is no known antidote. Ah!" he laughed,
+"these poor, too-confiding English little dream of our latter-day
+discoveries--scientific discoveries by which we hold all the honours in
+the game of war."
+
+"Very well," grunted the Count. "Let us hope that our science is better
+than that of our enemies. But I confess that to-day I have doubts.
+These British have made most wonderful strides--the most amazing
+progress in their munitions and devices."
+
+While he spoke old Drost was, with expert hand, mixing certain
+compounds, grey and bright-green crystals, which he pounded in a mortar.
+Then, carefully weighing with his apothecary's scales several grammes
+of a fine white powder, he added it and, while the Count, still wearing
+his ugly mask, watched, mixed a measured quantity of water and placed
+the whole into a big glass retort which was already in a holder warmed
+by the pale-blue flame of a spirit-lamp.
+
+Suddenly Drost made a gesture to his companion, and while the liquid in
+the retort was bubbling, he attached to the narrow end of the retort an
+arrangement of bent glass tube, and proceeded to distil the liquid he
+had produced.
+
+This product, which fell drop by drop into a long test-tube, was of a
+bright-blue colour. Drop by drop fell that fatal liquid--fatal because
+it gave off a poison-gas against which no human being could exist for
+more than five seconds.
+
+"This," exclaimed Drost, his voice muffled by his mask, "is the most
+fatal of any gas that chemical science has yet discovered. It does not
+merely asphyxiate and leave bad symptoms afterwards, but it kills
+outright in a few seconds. It is absolutely deadly."
+
+The room had by that time become filled by a curious orange-coloured
+vapour--bright-orange--which to Ortmann's eyes was an extraordinary
+phenomenon. Had he not worn the protective mask he would have been
+instantly overwhelmed by an odour closely resembling that of cloves--a
+terribly fatal perfume, which would sweep away men like moths passing
+through the flame of a candle.
+
+"Well, my dear Drost," said the Count, "I know you will never rest until
+you've devised a means of carrying out our plans for the downfall of
+Merton Mansfield, and certainly you seem to have adopted some measure--
+deadly though it may be--which is quite in accord with your ingenuity."
+He also spoke in a low, stifled voice from within his ugly mask.
+
+Drost nodded, and then into the marble mortar, in which he had mixed his
+devilish compounds, he poured something from a long blue glass-stoppered
+bottle, whereupon the place instantly became filled with volumes of grey
+smoke which, when it cleared, left the atmosphere perfectly clear--so
+clear, indeed, that both men removed their masks, sniffing, however, at
+the faint odour of cloves still remaining.
+
+Afterwards the old chemist took from the cupboard a small cardboard box
+which, on opening, contained, carefully packed in cotton wool, a short,
+stout, but hollow needle. Attached to it at one end was a small steel
+box about two inches broad and the same high. The box was perforated at
+intervals.
+
+"This is the little contrivance of which I spoke," said Drost gleefully,
+as he gazed upon it in admiration. "The explosive needle, when filled,
+and this little chamber, also properly charged, cannot fail to act."
+
+"I take it, my dear friend, that it will be automatic--eh?" remarked the
+Count, examining it with interest.
+
+Old Drost smiled, nodded, and replaced his precious contrivance in its
+box, after which both men left the laboratory, Drost carefully locking
+the door before descending the stairs to follow his companion.
+
+Both of them took a taxi to the fine house in Park Lane where Ortmann
+assumed the _role_ of society man. At ten o'clock a visitor was ushered
+in, and proved to be the young man whose real name was Schrieber.
+Apparently he had just returned from a journey, and had come straight
+from the station in order to make some secret report to Ortmann.
+
+When the three were closeted together the young German, who passed as a
+Swiss, produced from his pocket three small photographs showing the
+interior of a room taken from different angles, but always showing the
+fireplace.
+
+"Excellent!" declared Drost, as he examined all three prints beneath the
+strong light. "You have done splendidly."
+
+"Yes, all is in readiness. I have made friends with the maids, and when
+I return I shall be welcomed. No breath of suspicion will be aroused.
+We have now but to wait our time."
+
+And the three conspirators--men who were working so secretly, yet with
+such dastardly intent in the enemy's cause--laughed as they helped
+themselves to cigars from the big silver box.
+
+Nearly three weeks passed when, one day while Seymour Kennedy was
+sitting in Ella's pretty little drawing-room, he accidentally noticed
+the artistic blue-and-white vase, and remarking how unusual was the
+shape, his beloved related how it had come into her possession.
+
+Kennedy reflected for a few seconds, his brows knit in deep thought.
+
+"Curious that your father desired to match a vase like this! With what
+object, I wonder?"
+
+"He told me that he wanted it for a friend."
+
+"H'm! I wonder why his friend was so eager to match it?" was the
+air-pilot's remark. "And, again, why did he send you to buy it, when
+his friend could surely have done so?"
+
+Ella was silent. That question had never occurred to her.
+
+"I wonder if your father is making some fresh experiment? Have you been
+to the laboratory lately?" he inquired.
+
+"No, dear."
+
+"A secret visit there might be worth while," he suggested. "Meanwhile,
+the question of this vase excites my curiosity considerably. I can't
+help thinking that Ortmann is at the bottom of some other vile trickery.
+Their failure to kill Merton Mansfield has, no doubt, made them all the
+more determined to deal an effective _coup_."
+
+Some five days later it was announced in the London papers that Mr
+Merton Mansfield, the man in whom Great Britain placed her principal
+trust in securing victory, would, on the following Thursday, address a
+mass meeting of the munition workers in the great Midland town of G--.
+The object of the meeting was to urge greater enthusiasm in the
+prosecution of the war, and to induce the workers, in the national
+cause, to forego their holidays and thus keep up the output of heavy
+shells and high-explosives.
+
+Seymour Kennedy, who was in the mess at the time, read the paragraph,
+and then sat pondering.
+
+Next day he induced his commanding officer to give him leave, and he was
+soon in London making active inquiries. He found that Mr Merton
+Mansfield had been compelled to decline the invitation of Lord
+Heatherdale, and had arranged to stay the night at the Central Station
+Hotel at G--, as he would have to return to London by the first train
+next morning.
+
+Mr Merton Mansfield was an extremely busy man. No member of the
+Cabinet held greater responsibility upon his shoulders, and certainly no
+man held higher and stronger views of British patriotism. Any words
+from his lips were listened to eagerly, and carefully weighed, not only
+here, but in neutral countries also. Hence, at this great meeting he
+was expected to reveal one or two matters of paramount interest, and
+also make a further declaration of British policy.
+
+On the Tuesday night--two days before the meeting--Flight-Commander
+Kennedy slept at the Central Hotel in G--and next morning returned to
+London.
+
+Next night--or rather at early morning--Ella silently opened the front
+door of her father's house at Barnes, and her lover slipped in
+noiselessly, the pair afterwards ascending to the secret laboratory
+which his well-beloved opened with her duplicate key. Without much
+difficulty they opened the cupboard and examined the contents of the
+small cardboard box--discovering the curious-looking needle attached to
+the little perforated steel box.
+
+"This place smells of cloves--doesn't it?" whispered Seymour.
+
+"Yes, darling. I've smelt the same smell for some days. Father said he
+had upset a bottle of oil of cloves."
+
+"This is certainly a most curious apparatus!" Kennedy whispered,
+holding the needle in his hand. "See, this box is not a bomb. It is
+perforated to allow some perfume--or, more likely, a poison-gas--to
+escape. The needle is certainly an explosive one!"
+
+Further search revealed a small clockwork movement not much larger than
+that of a good-sized watch, together with a small bag of bird's sand.
+
+Having made a thorough search, they replaced things exactly as they had
+found them, and then Kennedy crept forth again into the broad
+thoroughfare called Castelnau.
+
+"Those devils mean mischief again!" he muttered to himself as he hurried
+across Hammersmith Bridge. "That explosive needle is, I can quite see,
+a most diabolical invention. Drost surely has the inventive brains of
+Satan himself!"
+
+At that same hour the young man Schrieber was seated with Ortmann in
+Park Lane, listening to certain instructions, until at last he rose to
+go.
+
+"And, remember--trust in nobody!" Ortmann urged. "If you perform this
+service successfully, our Fatherland will owe you a very deep debt of
+gratitude--one which I will personally see shall not be forgotten."
+
+At midday on Thursday Kennedy and Ella left St Pancras station for G--,
+arriving there three hours later, and taking rooms at the Central Hotel.
+
+As soon as Ella entered hers, she was astonished to see upon the
+mantelshelf a pair of the same blue-and-white vases as those her father
+had asked her to match!
+
+When, ten minutes later, she rejoined Kennedy in the lounge, she told
+him of her discovery.
+
+"Yes," was his reply. "They are the same in all the rooms--one of the
+fads of the proprietor. But," he added, "you must not be seen here. We
+don't know who is coming from London by the next train."
+
+For that reason Ella retired to her room and did not leave it for some
+hours, not indeed till her lover came to tell her that all was clear.
+
+By that time Mr Merton Mansfield had arrived, eaten a frugal dinner,
+and had gone to the meeting.
+
+"That young man Schrieber has arrived also," Kennedy told her. "He's
+never seen me, so he suspects nothing. He has also gone to the meeting,
+therefore we can go down and have something to eat."
+
+That night at eleven o'clock Mr Merton Mansfield returned, was cheered
+loudly by a huge crowd gathered outside the hotel, and waited below
+chatting for nearly half-an-hour before he retired to his room.
+
+The room was numbered 146--the best room of a suite on the first floor--
+and to this room the young German, the catspaw of Ortmann, had gone
+about a quarter past eleven, gaining admission through the private
+sitting-room next door.
+
+On entering he, quick as lightning, took down one of the vases from the
+mantelshelf and replaced it by another exactly similar which he drew
+from beneath the light coat thrown over his arm. Then, carrying the
+vase with him concealed by his coat, he slipped quickly out again
+unobserved, not, however, before he had poured into the other vase some
+bird-sand so as to make them both of equal weight when the maid came to
+dust them on the morrow. The conspirators left nothing to chance.
+
+In that innocent-looking vase he had brought was one of the most
+diabolical contrivances ever invented by man's brain. To the explosive
+needle the tiny clock had been attached and set to strike at half-past
+two, an hour when the whole hotel would be wrapped in slumber. The
+effect of striking would be to explode the needle and thus break a thin
+glass tube of a certain liquid and set over a piece of sponge saturated
+by a second liquid. The mixing of the two liquids would produce that
+terribly deadly poison-gas which, escaping through the perforation, must
+cause almost instant death to any person sleeping in the room.
+
+Truly, it was a most diabolical death-trap.
+
+Ten minutes later Mr Merton Mansfield, quite unsuspicious, entered the
+room and retired to bed, an example followed by the assassin Schrieber,
+who had a room on the same corridor a little distance away.
+
+At nine o'clock next morning Seymour Kennedy, bright and spruce in his
+uniform, descended to the hall and inquired of the head-porter if Mr
+Merton Mansfield had left.
+
+"Mr Mansfield is an early bird, sir. He went away to London by the
+6:47 train."
+
+The air-pilot turned upon his heel with a sigh of relief.
+
+Two hours later, however, while seated in the lounge with Ella, prior to
+returning to London, Kennedy noticed that there was much whispering
+among the staff. Of the porter he inquired the reason.
+
+"Well, sir," the man replied, "it seems that a maid on the first floor,
+on going into one of the rooms this morning, found a visitor dead in
+bed--Mr Sommer, a Swiss gentleman who arrived last night. The place
+smells strongly of cloves, and the poor girl has also been taken very
+ill, for the fumes in the place nearly asphyxiated her."
+
+Seymour again returned to Ella and told her what had occurred.
+
+"But how did you manage it?" she asked in a low whisper.
+
+"Well, after watching Schrieber put the vase in the room, I entered
+after him and replaced it by the vase you had bought, afterwards taking
+the one with the explosive needle to Schrieber's room and carrying away
+the superfluous one. The man must have glanced at the pair of vases on
+his mantelshelf before sleeping, but he, of course, never dreamed that
+he was gazing upon the infernal contrivance that he had placed in the
+Minister's room with his own hand."
+
+"I see," exclaimed Ella. "And, surely, he richly deserved his fate!"
+
+The deadly contrivance was found when the room was searched, but the
+police of G--still regard the affair as a complete and inexplicable
+mystery.
+
+CHAPTER FIVE.
+
+THE BRASS TRIANGLE.
+
+A bank of dense fog hung over the Thames early on that December morning.
+The bell of St Paul's Church, at Hammersmith, had struck two o'clock
+when across the long suspension-bridge a tall man in a black waterproof
+coat and black plush hat walked with a swing, smoking a cigarette, and
+passed hurriedly out into the straight broad thoroughfare of Castelnau.
+
+For some distance he proceeded, then suddenly he slackened pace, glanced
+at the luminous watch upon his wrist, and, a few moments later, halted
+against some railings, and, looking across the road, waited patiently
+opposite the house occupied by the pious Dutch pastor, the Reverend
+Theodore Drost.
+
+The house was in darkness, and there was not a sound in the street save
+the barking of a dog at the rear of a house in the vicinity.
+
+In patience, Flight-Commander Kennedy, for it was he, waited watchfully.
+He remained for a full quarter of an hour, ever and anon glancing at
+his watch, until, of a sudden, the front door opposite was opened
+noiselessly, and he saw the gleam of a flash-lamp.
+
+In a moment he had crossed the road and, ascending the steps, met his
+well-beloved. As he met her, he thought how strange it all seemed, what
+a romance it was. Here was this charming girl, whom the world only knew
+as a celebrated revue artiste, helping him to frustrate the criminal
+plans of her German father.
+
+Ella, standing at the door, whispered:
+
+"Hush!"
+
+And without a word Seymour Kennedy, treading tiptoe, slipped within.
+
+The house was familiar to him. He grasped the soft white hand of his
+well-beloved and, raising it to his lips, kissed it in homage. She was
+wearing a dainty purple and yellow kimono, her little feet thrust into
+red morocco Turkish slippers, which were noiseless, and, as she ascended
+the thickly-carpeted stairs, he followed her without uttering a word.
+
+Up they went, to the top floor. The door which faced them at the head
+of the stairs she unlocked with a key, and after they were both inside
+she closed the door and then switched on the light.
+
+The big chemical laboratory, which her father had established in secret
+in that long attic, presented the same scene as it had when he had
+visited it before at the invitation of his well-beloved. With such
+constant demands upon his inventive powers, it was necessary that the
+Prussian ex-professor should have the place fitted up with all the
+latest scientific appliances.
+
+"Well, Seymour!" the girl exclaimed at last. "Here you are! What do
+you think of these?" And, crossing to a side table, she indicated two
+well-worn attache-cases in brown leather, each about sixteen inches by
+eight, and three inches deep.
+
+One of them she opened, revealing a curious mechanism within, part of
+which was the movement of a cheap American clock. Her tall,
+good-looking companion, who was a skilled mechanic, examined both these
+innocent-looking little cases with keen interest, and then exclaimed:
+
+"Ah! I quite understand now! These are no doubt to be used in
+conjunction with explosives. They run for half an hour only, and then
+electrical contact is made into the explosive compound."
+
+"Exactly. See there, that row of tins of lubricating-oil. They are
+already filled with the high-explosive and in readiness."
+
+Kennedy bent and then saw, ranged below a bench on the opposite side of
+the laboratory, six tins of a certain well-known thick lubricating-oil
+used by motorists.
+
+"There is sufficient there, dear, to blow up the whole of Barnes," she
+declared. "Evidently this latest outrage is intended to be a serious
+one."
+
+"Ah!" sighed Kennedy. "It is a thousand pities, Ella, that your father
+is doing all this dastardly secret work for the enemy. Happily you,
+though his daughter, are taking measures to thwart his plans."
+
+"I am doing only what is my duty, dear," replied the girl in the kimono;
+"and with your aid I hope to upset this latest plot of Ortmann and his
+friends."
+
+"Have you seen Ortmann lately?" her lover asked.
+
+"No. He has been away somewhere in Holland--conferring with the German
+Secret Service, without a doubt. I heard father say yesterday, however,
+that he had returned to Park Lane."
+
+"Returned, in order to distribute more German money, I suppose?"
+
+"Probably. He must have spent many hundreds of thousands of pounds in
+the German cause both before the war and after it," replied the girl.
+
+The pair stood in the laboratory for some time examining some of the
+apparatus which old Drost, now sleeping below, had during that day been
+using for the manufacture of the explosive contained in those
+innocent-looking oil-cans.
+
+Kennedy realised, by the delicacy of the apparatus, how well versed the
+grey-haired old Prussian was in explosives, and on again examining the
+attache-cases with their mechanical contents, saw the cleverness with
+which the plot, whatever its object, had been conceived.
+
+What was intended? There was no doubt a conspiracy afoot to destroy
+some public building, or perhaps an important bridge or railway
+junction.
+
+This he pointed out to Ella, who, in reply, said:
+
+"Yes. I shall remain here and watch. I shall close up my flat, and
+send my maid on a holiday, so as to have excuse to remain here at home."
+
+"Right-ho! darling. You can always get at me on the telephone. You
+remain here and watch at this end, while I will keep an eye on Ortmann--
+at least, as far as my flying duties will allow me."
+
+Thus it was arranged, and the pair, treading noiselessly, closed the
+door and, relocking it, crept softly down the stairs. In the dark hall
+Seymour took his well-beloved in his strong arms and there held her,
+kissing her passionately upon the brow. Then he whispered:
+
+"Good-night, my darling. Be careful that you are not detected
+watching."
+
+A moment later he had slipped out of the door and was gone.
+
+Hardly had the door closed when Ella was startled by a movement on the
+landing at the head of the stairs--a sound like a footstep. There was a
+loose board there, and it had creaked! Some one was moving.
+
+"Who's there?" she asked in apprehension.
+
+There was no reply.
+
+"Some one is up there," she cried. "Who is it?"
+
+Yet again there was no response.
+
+In the house there was the old servant and her father. Much puzzled at
+the noise, which she had heard quite distinctly, she crept back up the
+dark stairs and, finding no one, softly entered her father's room, to
+discover him asleep and breathing heavily. Then she ascended to the
+servant's room, but old Mrs Pennington was asleep.
+
+When she regained her own cosy room, which was, as always, in readiness
+for her, even though she now usually lived in the flat in Stamfordham
+Mansions, over in Kensington, she stood before the long mirror and
+realised how pale she was.
+
+That movement in the darkness had unnerved her. Some person had most
+certainly trodden upon that loose board, which she and her lover had
+been so careful to avoid.
+
+"I wonder!" she whispered to herself. "Can there have been somebody
+watching us?"
+
+If that were so, then her father and the chief of spies, the man
+Ortmann, would be on their guard. So, in order to satisfy herself, she
+took her electric torch and made a complete examination of the house,
+until she came to the small back sitting-room on the ground floor.
+There she found the blind drawn up and the window open.
+
+The discovery startled her. The person, whoever it could have been,
+must have slipped past her in the darkness and, descending the stairs,
+escaped by the way that entrance had been gained.
+
+Was it a burglar? Was it some one desirous of knowing the secrets of
+that upstairs laboratory? Or was it some person set to watch her
+movements?
+
+She switched on the electric light, which revealed that the room was a
+small one, with well-filled bookshelves and a roll-top writing-table set
+against the open window.
+
+Upon the carpet something glistened, and, stooping, she picked it up.
+It was a woman's curb chain-bracelet, the thin safety-chain of which was
+broken.
+
+Could the intruder have been a woman? Had the bracelet fallen from her
+wrist in her hurried flight? Or had it fallen from the pocket of a
+burglar who had secured it with some booty from a house in the vicinity?
+
+Ella looked out into the small garden, but the intruder had vanished.
+Therefore she closed the window, to find that the catch had been broken
+by the mysterious visitor, and then returned again to her room, where
+she once more examined the bracelet beneath the light.
+
+"It may give us some clue," she remarked to herself. "Yet it is of very
+ordinary pattern, and bears no mark of identification."
+
+Next day, without telling her father of her midnight discovery, she met
+Seymour Kennedy by appointment at the theatre, showed him what she had
+found, and related the whole story.
+
+"Strange!" he exclaimed. "Extraordinary! It must have been a burglar!"
+
+"Or a woman?"
+
+"But why should a woman break into your house?"
+
+"In order to watch me. Perhaps Ortmann or my father may have
+suspicions," replied the actress, arranging her hair before the big
+mirror.
+
+"I hope not, Ella. They are both the most daring and the most
+unscrupulous men in London."
+
+"And it is for us to outwit them in secret, dear," she replied, turning
+to him with a smile of sweet affection.
+
+In the days that followed, the mystery of the intruder became further
+increased by Ella making another discovery. In the garden, upon a
+thorn-bush against the wall, Mrs Pennington found a large piece of
+cream silk which had apparently formed part of the sleeve of a woman's
+blouse. She brought it to Ella, saying:
+
+"I've found this in the garden, miss. It looks as if some lady got
+entangled in the bush, and left part of 'er blouse behind--don't it? I
+wonder who's been in our garden?"
+
+Ella took it and, expressing little surprise, suggested that it might
+have been blown into the bush by the wind.
+
+It, however, at once confirmed her suspicion that the midnight visitor
+had been a woman.
+
+While Ella sang and danced nightly at the theatre, and afterwards drove
+home to Castelnau, to that house where upstairs was stored all that
+high-explosive, Seymour Kennedy maintained a watchful vigilance upon
+Ernst von Ortmann, the chief of enemy spies, and kept that unceasing
+watch over him, not only at the house at Wandsworth, but also at the
+magnificent mansion in Park Lane.
+
+To von Ortmann's frequent dinner-parties in the West End came the crafty
+and grave-faced old Drost, who there met other men of mysterious
+antecedents, adventurers who posed as Swiss, American, or Dutch, for
+that house was the headquarters of enemy activity in Great Britain, and
+from it extended many extraordinary and unexpected ramifications.
+
+That some great and desperate outrage was intended in the near future
+Kennedy was confident, as all the apparatus was ready. But of Drost's
+intentions he could discover nothing, neither could Ella.
+
+One cold night, while loitering in the darkness beside the railings of
+the Park, Kennedy saw Ortmann emerge from the big portico of his house
+and walk to Hyde Park Corner, where he hailed a taxi and drove down
+Grosvenor Gardens. Within a few moments Kennedy was in another taxi
+closely following.
+
+They crossed Westminster Bridge and turned to the right, in the
+direction of Vauxhall. Then, on arriving at Clapham Junction station,
+Kennedy, discerning Ortmann's destination to be the house in Park Road,
+Wandsworth Common, where at times he lived as the humble Mr Horton, the
+retired tradesman, he dismissed his taxi and walked the remainder of the
+distance.
+
+When he arrived before the house, he saw a light in Horton's room, and
+hardly had he halted opposite ere the figure of a man in a black
+overcoat and soft felt hat came along and ascended the steps to the
+door.
+
+It was the so-called Dutch pastor, Theodore Drost.
+
+The latter had not been admitted more than five minutes when another
+visitor, a short, thick-set bearded man, having the appearance of a
+workman, probably an engineer, passed by, hesitated, looked at the house
+inquiringly, and then went up the steps and rang the bell.
+
+He also quickly gained admission, and therefore it seemed plain that a
+conference was being held there that night.
+
+The bearded man was a complete stranger, hence Kennedy resolved to
+follow him when he reappeared, and try to establish his identity. Being
+known to Drost and Ortmann, it was always both difficult and dangerous
+for him to follow either too closely. But with a stranger it was
+different.
+
+Before twenty-four hours had passed, the Flight-Commander had
+ascertained a number of interesting facts. The bearded man was known as
+Arthur Cole, and was an electrician employed at one of the County
+Council power-stations. He lived in Tenison Street, close to Waterloo
+Station, and was a widower.
+
+Next day, on making further inquiry of shops in the vicinity, a woman
+who kept a newspaper-shop exclaimed:
+
+"I may be mistaken, sir, but I don't believe much in that there Mr
+Cole."
+
+"Why?" asked Kennedy quickly.
+
+"Well, 'e's lived 'ere some years, you know, and before the war I used
+to order for 'im a German newspaper--the Berliner-Something."
+
+"The _Berliner-Tageblatt_ it was, I expect."
+
+"Yes. That's the paper, sir," said the woman. "'E used to be very fond
+of it, till I couldn't get it any more."
+
+"Then he may be German?"
+
+The woman bent over the narrow counter of her small establishment and
+whispered:
+
+"I'm quite certain 'e is, sir."
+
+That night Seymour saw his well-beloved in the theatre between the acts,
+and told her the result of his inquiries. Then he returned to his vigil
+and watched the dingy house in Tenison Street, one of those drab London
+streets in which the sun never seems to shine.
+
+For three nights Kennedy remained upon constant vigil. On the fourth
+night, just as Ella was throwing off her stage dress at the conclusion
+of the show, she received a telegram which said: "Gone north. Return
+soon. Wait."
+
+It was unsigned, but she knew its sender.
+
+Four days she waited in eager expectation of receiving news. On the
+fifth night, just before she left for the theatre, Ortmann arrived to
+visit her father. She greeted him merrily, but quickly escaped from
+that detestable atmosphere of conspiracy, at the same time remembering
+that mysterious female intruder.
+
+Who could she have been?
+
+In the meantime Seymour Kennedy, who had obtained a few days' leave, had
+been living at the Central Hotel in that busy Lancashire town which must
+here be known as G--. To that town he had followed the man Cole and had
+constantly watched his movements. Cole had taken up his quarters at a
+modest temperance hotel quite close to the Central, which was the big
+railway terminus, and had been daily active, and had made several
+journeys to places in the immediate manufacturing outskirts of G--.
+
+At last he packed his modest Gladstone bag and returned to London,
+Kennedy, in an old tweed suit, travelling by the same train.
+
+On their arrival Kennedy took a taxi direct from Euston to the theatre.
+
+When Ella had sent her dresser out of the room upon an errand, he
+hurriedly related what had occurred.
+
+The man Cole had, he explained, met in G--a thin-faced, dark-haired
+young woman, apparently of his own social standing, a young woman of the
+working-class, who wore a brass war-badge in the shape of a triangle.
+The pair had been in each other's company constantly, and had been twice
+out to a manufacturing centre about six miles away, a place known as
+Rivertown.
+
+Briefly he related what he had observed and what he had discovered.
+Then he went out while she dressed, eventually driving with her to a
+snug little restaurant off Oxford Street, where they supped together.
+
+"Do you know, Ella," he asked in a low voice, as they sat in a corner,
+"now that we've established the fact that the man Cole has visited your
+father, and also that he is undoubtedly implicated in the forthcoming
+plot, can it be that this young woman whom he met in G--is the same who
+entered your father's house on the night of my visit there?"
+
+"I wonder!" she exclaimed. "Why should she go there?"
+
+"Out of curiosity, perhaps. Who knows? She's evidently on friendly
+terms with this electrician. Cole, who, if my information is correct,
+is no Englishman at all--but a German!"
+
+Ella reflected deeply. Then she answered:
+
+"Perhaps both the man and woman came there for the purpose either of
+robbery--or--"
+
+"No. They were probably suspicious of your father's manner, and came to
+examine the house."
+
+"But if they did not trust my father surely they would not be in active
+association with him, as you say they are," the girl argued.
+
+"True. But they might, nevertheless, have had their curiosity aroused."
+
+"And by so doing they may have seen us," she declared apprehensively.
+"I hope not."
+
+"And even if they did, they surely would not recognise us again," he
+exclaimed. "But," he added, "no time must be lost. You must take
+another brief holiday from the theatre, and see what we can do."
+
+"Very well," was the dancer's reply. "I'll see Mr Pettigrew to-morrow,
+and get a rest. It will give my understudy a chance."
+
+Over a fortnight went by.
+
+It was half-past five o'clock on a cold January evening when a trainful
+of merry-faced girl munition workers stood at the Central Station at G--
+ready to start out to Rivertown to work on the night shift in those huge
+roaring factories where the big shells were being made.
+
+Each girl wore a serviceable raincoat and close-fitting little hat, each
+carried a small leather attache-case with her comb, mirror, and other
+little feminine toilet requisites, and each wore upon her blouse the
+brass triangle which denoted that she was a worker on munitions.
+
+Peering out from the window of one of those dingy third-class
+compartments was a young girl in a rather faded felt hat and a cheap
+navy-blue coat, while upon the platform, apparently taking notice of
+nobody, stood a tallish young man in a brown overcoat. The
+munition-girl was Ella Drost, and the man her lover, Seymour Kennedy.
+
+As the train at last moved out across the long bridge over the river,
+the pair exchanged glances, and then Ella, with her brass triangle on
+her blouse, sat back in the crowded carriage in thought, her little
+attache-case upon her knees, listening to the merry chat of her
+fellow-workers.
+
+Arrived at the station, she followed the crowd of workers to the huge
+newly-erected factory close by, a great hive of industry where, through
+night and day, Sunday and weekday, over eight thousand women made big
+shells for the guns at the front.
+
+At the entrance-gate each girl passed singly beneath the keen eyes of
+door-keepers and detectives, for no intruder was allowed within, it
+being as difficult for strangers to gain admission there as to enter the
+presence of the Prime Minister at Downing Street.
+
+The shifts were changing, and the day-workers were going off. Hence
+there was considerable bustle, and many of those lathes drilling and
+turning the great steel projectiles were, for the moment, still.
+
+Presently the night-workers began to troop in, each in her pale-brown
+overall with a Dutch cap, around the edge of which was either a red or
+blue band denoting the status of the worker, while the forewomen were
+distinctive in their dark-blue overalls.
+
+Some of the girls had exchanged their skirts for brown linen trousers.
+Those were the girls working the travelling cranes which, moving up and
+down the whole length of the factory, carried the shells from one lathe
+to another as they passed through the many processes between drilling
+and varnishing. Ella was among these latter, and certainly nobody who
+met her in her Dutch cap with its blue band, her linen overall jacket
+with its waistband, and her trousers, stained in places with oil, would
+have ever recognised her as the star of London revue.
+
+Lithely she mounted the straight steep iron ladder up to her lofty perch
+on the crane, and, seating herself, she touched the switch and began to
+move along the elevated rails over the heads of the busy workers below.
+
+The transfer of a shell from one lathe to another was accomplished with
+marvellous ease and swiftness. A girl below her lifted her hand as
+signal, whereupon Ella advanced over her, and let down a huge pair of
+steel grips which the lathe-worker placed upon the shell, at the same
+time releasing it from the lathe. Again she raised her hand, and the
+shell was lifted a few yards above her head and lowered to the next
+machine, where the worker there placed it in position, and then released
+it to undergo its next phase of manufacture.
+
+Such was Ella's work. In the fortnight she had been there she had
+become quite expert in the transfer of the huge shells, and, further,
+she had become much interested in her new life and its unusual
+surroundings In that great place the motive force of all was
+electricity. All those whirring lathes, drills, hammers, saws, cutting
+and polishing machines, cranes, everything in that factory, as well as
+the two other great factories in the near vicinity, were driven from the
+great electrical power-station close by.
+
+Now and then, as the night hours passed, though within all was bright
+and busy as day, Ella would give a glance at the woman working the crane
+opposite hers, a thin-faced, dark-haired young woman, who was none other
+than the mysterious friend of the man Cole, and whom she held in great
+suspicion.
+
+While Ella worked within the factory in order to keep a watchful eye,
+Seymour Kennedy watched with equal shrewdness outside.
+
+The days went past, but nothing suspicious occurred until one night
+Cole, who was again living at the temperance hotel, joined the
+munition-workers' train, being followed by Ella, who found that he had
+been engaged as an electrician in the power-house.
+
+Next day he met the thin-faced young woman, who was known to her
+fellow-workers as Kate Dexter, and they spent several hours together, at
+lunch and afterwards at a picture-house. But, friends as they were,
+when they left the Central Station they took care never to travel in the
+same carriage. So, to their fellow-workers, they were strangers.
+
+One afternoon, at half-past two, Kennedy, who was at the Central Hotel,
+called at Ella's lodgings and explained how he had seen her father
+walking in the street with Cole.
+
+"I afterwards followed them," he added, "and eventually found that your
+father is at the Grand Hotel."
+
+"Then mischief is certainly intended," declared the girl, her cheeks
+turning pale.
+
+"No doubt. They mean to execute the plot without any further delay.
+That's my opinion. It will require all our watchfulness and resource if
+we are to be successful."
+
+"Why not warn the police?" suggested the girl.
+
+"And, by doing so, you would most certainly send your father to a long
+term of penal servitude," was her lover's reply. "No. We must prevent
+it, and for your own sake allow your father a loophole for escape,
+though he certainly deserves none."
+
+Ella had once travelled in the same train as the woman Dexter, but the
+latter had not recognised her; nevertheless, from inquiries Kennedy had
+made in London, it seemed that a month before the woman had been living
+in London, and was a close friend of Cole's. She had only recently gone
+north to work on munitions, and had, like Ella, been instructed in the
+working of the electrical cranes.
+
+For three days Theodore Drost remained at the Grand Hotel, where he had
+several interviews with the electrician Cole, and while Ella kept out of
+the way by day and went to the works at night, her lover very cleverly
+managed to maintain a strict watch.
+
+More than once Ella had contrived to pass the door of the great
+power-station with its humming dynamos which gave movement to that huge
+mass of machinery in the three factories turning out munitions, and had
+seen the man Cole in his blue dungarees busily oiling the machinery.
+
+Once she had watched him using thick machine-oil from cans exactly
+similar to those she had seen stored beneath the table in her father's
+laboratory.
+
+Night after night Ella, working there aloft in her crane, waited and
+wondered. Indeed, she never knew from hour to hour whether the
+carefully laid plans of the conspirators might not result in some
+disastrous explosion, in which she herself might be a victim.
+
+But Kennedy reassured her that he was keeping an ever-watchful vigil,
+and she trusted him implicitly. As a matter of fact, one of the London
+detectives watching the place was a friend of his, and, without telling
+him the exact object of his visit, he was able to gain entrance to the
+works.
+
+Naturally the detective became curious, but Kennedy, who usually wore an
+old tweed suit and a seedy cap, promised to reveal all to him
+afterwards.
+
+About half-past one, on a wet morning, Ella had just stopped her crane
+when, at the entrance end of the building, she caught a glimpse of some
+one beckoning to her. It was her well-beloved. In a few moments she
+had clambered down, and, hurrying through the factory, joined him
+outside.
+
+"Did you travel with that woman Dexter to-night?" he inquired eagerly in
+a low whisper as they stood in the darkness.
+
+"Yes."
+
+"Did she carry her attache-case?"
+
+"Yes. She always does."
+
+"She did not have it when she went home yesterday morning, for she left
+it here--the case which your father prepared," he said. "She brought
+the second of the cases with her to-night."
+
+"Then both are here!" exclaimed Ella in excitement.
+
+"Both are now in the power-house. I saw her hand over the second one to
+Cole only a quarter of an hour ago. Let us watch."
+
+Then the pair crept on beneath the dark shadows through the rain to the
+great square building of red-brick which, constructed six months before,
+contained some of the finest and most up-to-date electrical plant in all
+the world.
+
+At last they gained the door, which stood slightly ajar. The other
+mechanics were all away in the canteen having their early morning meal,
+and the man Cole, outwardly an honest-looking workman, remained there in
+charge.
+
+Together they watched the man's movements.
+
+Presently he came to the door, opened it, and looked eagerly out. In
+the meantime, however, Kennedy and his companion had slipped round the
+corner, and were therefore out of view. Then, returning within, Cole
+went to a cupboard, and as they watched from their previous point of
+vantage they saw him unlock it, displaying the two little leather
+attache-cases within.
+
+Close to the huge main dynamo in the centre of the building there stood
+on the concrete floor six cans of lubricating-oil which, it was proved
+afterwards, were usually kept at that spot, and therefore were in no way
+conspicuous.
+
+Swiftly the man Cole drew a coil of fine wire from the cupboard, the
+ends being joined to the two attache-cases--so that if the mechanism of
+one failed, the other would act--and with quick, nimble fingers he
+joined the wire to that already attached to the six inoffensive-looking
+cans of "oil."
+
+The preparations did not occupy more than a minute. Then, seizing a can
+of petrol, he placed it beside the cans of high-explosive, in order to
+add fire to the explosion.
+
+Afterwards, with a final look at the wires, and putting his head into
+the cupboard, where he listened to make certain that the clockwork
+mechanism was in motion, he glanced at the big clock above. Then, in
+fear lest he should be caught there, he ran wildly out into the darkness
+ere they were aware of his intention.
+
+"Quick!" shouted Kennedy. "Rush and break those wires, Ella! I'll
+watch him!"
+
+Without a second's hesitation, the girl dashed into the power-house and
+frantically tore the wires from the cupboard and from the fastenings to
+the deadly attache-cases, and--as it was afterwards proved--only just in
+time to save herself, the building, and its mass of machinery from total
+destruction.
+
+Meanwhile, Kennedy had overtaken the man Cole, and closed desperately
+with him, both of them rolling into the mud.
+
+Just as Ella was running towards them a pistol-shot rang out.
+
+The fellow had drawn a revolver and in desperation had tried to shoot
+his captor, but instead, in Kennedy's strong grip, his hand was turned
+towards himself, and the bullet had struck his own face, entering his
+brain.
+
+In a few seconds the man Cole lay there dead.
+
+Was it any wonder that the Press made no mention of the affair?
+
+CHAPTER SIX.
+
+THE SILENT DEATH.
+
+In the yellow sunshine of a bright and cloudless autumn afternoon, Ella
+Drost descended from her motor-cycle at a remote spot where four roads
+crossed at a place called Pittsgate, about a mile and a half out from
+Goudhurst, in Kent, having travelled from London by way of Tunbridge
+Wells.
+
+In leather cap, leggings, mackintosh, and leather belt she presented a
+charming type of the healthy English sports-girl. Indeed, in that very
+garb one could buy picture postcards of her all over the kingdom, those
+who purchased them little dreaming that Stella Steele, who had for so
+many nights been applauded by the khaki crowds in the theatre, where she
+merrily danced in the revue "Half a Moment!" was the daughter of old
+Theodore Drost, the sworn enemy of Great Britain, the man who had for so
+long succeeded in misleading the alien authorities into the belief that
+he was a pious pastor of the Dutch Church.
+
+Certainly the man who posed as an ex-missionary from Sumatra, and who
+wore the shabby, broad-brimmed clerical hat and horn-rimmed glasses, had
+never once been suspected of treasonable acts, save by his daughter Ella
+and Seymour Kennedy.
+
+It was to meet Kennedy that Ella had motored down from London that day.
+The roads were rather bad, and both machine and rider were splashed with
+mud. Yet for that she cared nothing. Her mind was too full of the
+investigations upon which they were engaged.
+
+She took out a large scale map, unfolded it, and studied it carefully,
+apparently tracing a route with her finger. Then glancing at her
+wristlet-watch, she looked eagerly down the long, straight road upon her
+left--the road which led up from Eastbourne, through Mayfield and
+Wadhurst.
+
+Nobody was in sight, therefore she consoled herself with a cigarette
+which she took from her case, and again studied her map until, at last,
+she suddenly heard the pop-pop-pop of a motor-cycle approaching and saw
+Seymour, his body bent over the handles, coming up the hill at a
+rattling pace.
+
+In a few minutes he had pulled up, and, taking her in his arms, kissed
+her fondly, expressing regret if he were late.
+
+"Eastbourne is further off than I expected, darling," he added. "Well?"
+he asked eagerly.
+
+"Nothing particular has happened since we parted on Thursday," replied
+the girl. "Father has been several times to see Mr Horton in
+Wandsworth, and last night dined with Mr Harberton in Park Lane."
+
+"Ah! What would the public think if they knew that Count Ernst von
+Ortmann, who pulls the fingers of the Hidden Hand in our midst, Henry
+Harberton of Park Lane, and Mr Horton of Wandsworth, were one and the
+same person, eh?" exclaimed the man, who, though not in uniform,
+revealed his profession by his bearing.
+
+"One day it will be known, dear," said the girl. "And then there will
+be an end to my father. The Count will believe that my father has
+betrayed him."
+
+"Why do you anticipate that?"
+
+"Because only the night before last, when Ortmann called, I overheard
+him remark to my father that he was the only person who knew his secret,
+and warning him against any indiscretion, and of the fate which Germany
+would most certainly meet out to him if any _contretemps_ occurred."
+
+"Yes," remarked the air-pilot reflectively. "I suppose that if the
+authorities really did arrest the inoffensive and popular Mr Harberton,
+the latter would, no doubt, revenge himself most bitterly upon your
+father."
+
+"Of that I'm perfectly certain, dear. Often I am tempted to relinquish
+my efforts to combat the evil they try to work against England, and yet
+the English are my own people--and also yours."
+
+"You're a thorough brick, Ella. There's not a girl in all the kingdom
+who has run greater risks than your dear self, or been more devoted to
+the British cause. Why, a dozen times you've walked fearlessly into
+danger, when you might have been blown to atoms by their infernal
+bombs."
+
+"No, no," she laughed. "Don't discuss it here. I've only done what any
+other girl in my place would have done. Come," she added. "Let's get
+on and carry out the plan we arranged."
+
+"Right-ho!" he replied. "That's the road," he added, pointing straight
+before him. "According to the map, there's a wood a little way up,
+where the road forks. We take the left road, skirt another wood past a
+farm called Danemore, then over a brook, and it's the first house we
+come to on the right--with another wood close behind it."
+
+"Very well," answered the girl. "You'll have a breakdown close to the
+house--eh?"
+
+"That's the arrangement," he laughed, and next minute he was running
+beside his machine, and was soon away, followed by his mud-bespattered
+well-beloved.
+
+Off they both sped, first down a steep slope, and then gradually
+mounting through a thick wood where the brown leaves were floating down
+upon the chilly wind. They passed the farm Kennedy had indicated,
+crossed the brook by a bumpy, moss-grown bridge, and suddenly the man
+threw up his hand as a signal that he was pulling-up, and, slowing down,
+alighted, while his engine gave forth a report like a pistol-shot.
+
+Ella, too, dismounted, and saw they were before a good-sized, well-kept
+farmhouse, which stood a short distance back from the road, surrounded
+by long red-brick outbuildings.
+
+The report had brought out an old farm-hand--a white-bearded old fellow,
+who was scanning them inquisitively.
+
+Both Ella and her lover were engaged in intently examining the latter's
+machine, looking very grave, and exchanging exclamations of despair.
+Kennedy opened a bag of tools and, with a cigarette in his mouth,
+commenced an imaginary repair, with one eye upon the adjacent house.
+This lasted for about a quarter-of-an-hour. In the meantime a woman,
+evidently the farmer's wife, had come out to view the strangers, and had
+returned indoors.
+
+"I think it's now about time we might go in," the air-pilot whispered to
+his companion, whereupon both of them entered the gate and passed up the
+rutty drive to the house.
+
+"I wonder if you could lend me a heavy hammer?" asked the motor-cyclist
+in distress of the pleasant, middle-aged woman who opened the door.
+
+"Why, certainly, sir. Would the coal-hammer do?" she asked.
+
+"Fine!" was the man's reply. "I'm so sorry to trouble you, but I've
+broken down, and I'm on my way to London."
+
+"I'm very sorry, sir," exclaimed the woman, who fetched a heavy hammer
+from her kitchen. "Would the young lady care to come in and wait?"
+
+"Oh, thanks. It's awfully good of you," said Ella. "The fact is I am a
+little fagged, and if I may sit down I shall be so grateful."
+
+"Certainly, miss. Just come in both of you for a moment," and she led
+the way into a homely well-furnished room with a great open hearth where
+big logs were burning with a pleasant smell of smouldering beech.
+
+"What a comfortable room you have here!" Kennedy remarked, looking at
+the thick Turkey carpet upon the floor, and the carved writing-table in
+the window.
+
+"Yes, sir. This is a model dairy-farm. It belongs to Mr
+Anderson-James, who lives in Tunbridge Wells, and who comes here for
+week-ends sometimes, and for the shooting. I expect him here to-night.
+My husband farms for him, and I look after the place as housekeeper."
+
+"A model farm!" exclaimed Ella. "Oh! I'd so much like to see it. I
+wonder if your husband would allow me?"
+
+"He'd be most delighted, miss."
+
+"Stevenson is my name, and this is my friend Mr Kershaw," Ella said,
+introducing herself.
+
+"My name is Dennis," replied the comely farmer's wife with a pleasant
+smile. "This is called Furze Down Farm, and Mr Anderson-James is a
+solicitor in Tunbridge Wells. So now you know all about us," and the
+woman, in her big white apron, laughed merrily.
+
+Kennedy and the girl exchanged glances.
+
+"Well," he said, "I'll go out and try to put the machine right. It
+won't take very long, I hope. If I can't--well, we must go back by
+train. Where's the nearest station, Mrs Dennis?"
+
+"Well--Paddock Wood is about two miles," was her reply. "If you can't
+get your motor right my husband will put it into a cart and drive you
+over there. It's the direct line to London."
+
+"Thanks so much," he said, and went out, leaving Ella to rest in the
+cosy, well-furnished room which the solicitor from Tunbridge Wells
+occupied occasionally through the week-ends.
+
+"Mr Anderson-James keeps this place as a hobby. He's retired from
+practice," the woman went on, "and he likes to come here for fresh air.
+When you've rested I'll show you round the houses--if you're interested
+in a dairy-farm."
+
+"I'm most interested," declared the girl. "I don't want to rest. I'd
+rather see the farm, if it is quite convenient to you to show it to me."
+
+"Oh, quite, miss," was the woman's prompt response. She came from
+Devonshire, as Ella had quickly detected, and was an artist in
+butter-making, the use of the mechanical-separator, and the management
+of poultry.
+
+The pair went out at once and, passing by clean asphalt paths, went to
+the range of model cowhouses, each scrupulously clean and well-kept.
+Then to the piggeries, the great poultry farm away in the meadows, and,
+lastly, into the white-tiled dairy itself, where four maids in white
+smocks and caps were busy with butter, milk, and cream.
+
+Ranged along one side of the great dairy were about thirty
+galvanised-iron chums of milk, ready for transport, and Ella, noting
+them, asked their destination.
+
+"Oh! They go each night to the training-camp at B--. They go out in
+two lots, one at midnight, and one at two o'clock in the morning."
+
+"Oh, so you supply the camp with milk, do you?"
+
+"Yes. Before the war all our milk went up to London Bridge by train
+each night, but now we supply the two camps. There are fifty thousand
+men in training there, they say. Isn't it splendid!" added the woman,
+the fire of patriotism in her eyes. "There's no lack of pluck in the
+dear old country."
+
+"No, Mrs Dennis. All of us are trying to do our bit," Ella said.
+"Does the Army Service Corps fetch the milk?"
+
+"No, miss. They used to, but for nearly six weeks we've sent it in
+waggons ourselves. The camp at B--is ten miles from here, so it comes
+rather hard on the horses. It used to go in motor-lorries. Old Thomas,
+the man bending down over there," and she pointed across the farm-yard,
+"he drives the waggon out at twelve, and Jim Jennings--who only comes of
+an evening--does the late delivery."
+
+"But the road is rather difficult from here to the camp, isn't it?"
+asked the girl, as though endeavouring to recollect.
+
+"Yes. That's just it. They have to go right round by Shipborne to
+avoid the steep hill."
+
+Five minutes later they were in the comfortable farm-house again, and,
+after a further chat, Ella went forth to see how her companion was
+progressing.
+
+The repair had been concluded--thanks to the coal-hammer! Ella took it
+back, thanked the affable Mrs Dennis, and, five minutes later, the pair
+were on their way to London, perfectly satisfied with the result of
+their investigations.
+
+On that same evening, while Kennedy and Ella were having a light dinner
+together at the Piccadilly Grill before she went to the theatre, the
+elusive Ortmann called upon old Theodore Drost at the dark house at
+Castelnau, on the Surrey side of Hammersmith Bridge. He came in a taxi,
+and accompanying him was a grey-haired, tall, and rather lean man, who
+carried a heavy deal box with leather handle.
+
+Drost welcomed them, and all three ascended at once to that long attic,
+the secret workshop of the maker of bombs. The man who posed as a pious
+Dutch missionary switched on the light, disclosing upon the table a
+number of small globes of thin glass which, at first, looked like
+electric light bulbs. They, however, had no metal base, the glass being
+narrowed at the end into a small open tube. Thus the air had not been
+exhausted.
+
+"This is our friend, Doctor Meins," exclaimed Ortmann, introducing his
+companion, who, a few minutes later, unlocked the box and brought out a
+large brass microscope of the latest pattern, which he screwed together
+and set up at the further end of the table.
+
+Meanwhile from another table at the end of the long apartment old Drost,
+with a smile of satisfaction upon his face, carried over very carefully
+a wooden stand in which stood a number of small sealed glass tubes, most
+of which contained what looked like colourless gelatine.
+
+"We want to be quite certain that the cultures are sufficiently
+virulent," remarked Ortmann. "That is why I have brought Professor
+Meins, who, as you know, is one of our most prominent bacteriologists,
+though he is, of course, naturalised as a good Englishman, and is in
+general practice in Hampstead under an English name."
+
+The German professor, smiling, took up one of the hermetically sealed
+tubes, broke it, and from it quickly prepared a glass microscope-slide,
+not, however, before all three had put on rubber gloves and assumed what
+looked very much like gas-helmets, giving the three conspirators a most
+weird appearance. Then, while the Professor was engaged in focussing
+his microscope, Drost, his voice suddenly muffled behind the goggle-eyed
+mask, exhibited to Ortmann one of the glass bombs already prepared for
+use.
+
+It was about the size of a fifty-candle-power electric bulb, and its
+tube having been closed by melting the glass, it appeared filled with a
+pale-yellow vapour.
+
+"That dropped anywhere in a town would infect an enormous area," Drost
+explained. "The glass is so thin that it would pulverise by the small
+and almost noiseless force with which it would explode."
+
+"It could be dropped by hand--eh?" asked Ortmann. "And nobody would be
+the wiser."
+
+"No, if dropped by hand it would, no doubt, infect the person who
+dropped it. The best way will be to drop it from a car."
+
+"At night?"
+
+"No. In daylight--in a crowded street. It would then be more
+efficacious--death resulting within five days to everyone infected."
+
+"Terrible!" exclaimed the Kaiser's secret agent--the man of treble
+personality.
+
+"Yes. But it is according to instructions. See here!" and he took up
+what appeared to be a small bag of indiarubber--like a child's air-ball
+that had been deflated. "This acts exactly the same when filled, only
+the case is soluble. One minute after touching water or, indeed, any
+liquid, it dissolves, and thus releases the germs!"
+
+"_Gott_!" gasped Ortmann. "You are, indeed, a dealer in bottled death,
+my dear Theodore. Truly, you've been inventing some appalling things
+for our dear friends here--eh?"
+
+The man with the scraggy beard, who was a skilled German scientist,
+though he posed as a Dutch pastor, smiled evilly, while at that moment
+the man Meins, who had his eye upon the microscope, beckoned both of
+them forward to look.
+
+Ortmann obeyed, and placing his eye upon the tiny lens, saw in the
+brightly reflected light colonies of the most deadly bacilli yet
+discovered by German science--the germs of a certain hitherto unknown
+disease, against which there was no known remedy. The fifth day after
+infection of the human system death inevitably resulted.
+
+"All quite healthy!" declared the great bacteriologist from behind his
+mask. "What would our friends think if they knew the means by which
+they came into this country--eh?"
+
+Drost laughed, and, crossing to a cupboard, took out a fine
+Ribston-pippin apple. This he cut through with his pen-knife, revealing
+inside, where the core had been removed, one of the tiny tubes secreted.
+
+"They came like this from our friends in a certain neutral country," he
+laughed.
+
+From tube after tube Meins took and examined specimens, finding all the
+cultures virulent except one, which he placed aside.
+
+Then, turning to Drost, he gave his opinion that their condition was
+excellent.
+
+"But be careful--most scrupulously careful of yourself, and of whoever
+lives here with you--your family and servants. The bacteria are so
+easily carried in the air, now that we have opened the tubes."
+
+"Never fear," replied the muffled voice of Ella's father. "I shall be
+extremely careful. But what is your opinion regarding this?" he added,
+showing the professor one of the tiny bags of the soluble substance.
+
+Meins examined it closely. Obtaining permission, he cut out a tiny
+piece with scissors and placed it beneath his powerful microscope.
+
+Presently he pronounced it excellent.
+
+"I see that it is impervious. If it is soluble, as you say, then you
+certainly need have no fear of failure," he said, with a benign smile.
+Then he set to work to reseal the tubes he had opened, while Drost, with
+a kind of syringe, sprayed the room with some powerful germ-destroyer.
+
+Ten minutes later the pair had descended the stairs, while old Drost had
+switched off the light and locked the door of the secret laboratory
+wherein reposed the germs of a terrible disease known only to the
+enemies of Great Britain--a fatal malady which Germany intended to sow
+broadcast over the length and breadth of our land.
+
+For an hour they all three sat discussing the diabolical plot which
+would disseminate death over a great area of the United Kingdom, for
+Germany had many friends prepared to sacrifice their own lives for the
+Fatherland, and it was intended that those glass and rubber bombs should
+be dropped in all quarters to produce an epidemic of disease such as the
+world had never before experienced.
+
+Old Theodore Drost, installed in his comfortable dining-room again,
+opened a long bottle of Berncastler "Doctor"--a genuine bottle, be it
+said, for few who have sipped the "Doctor" wine of late have taken the
+genuine wine, so many fabrications did Germany make for us before the
+war.
+
+"But I warn you to be excessively careful," the professor said to Drost.
+"Your daughter comes here sometimes, does she not? Do be careful of
+her. Place powerful disinfectants here--all over the house--in every
+room," he urged; "although I have plugged the tubes with cotton wool
+properly treated to prevent the escape of the infection into the air,
+yet one never knows."
+
+"Ella is not often here," her father replied. "She is still playing in
+`Half a Moment!'; besides, she is rehearsing a new revue. So she,
+happily, has no time to come and see me."
+
+"But, for your own safety, and your servant's, do be careful," Meins
+urged. "To tell you the honest truth, I almost fear to remove my mask--
+even now."
+
+"But there's surely no danger down here?" asked Drost eagerly.
+
+"There is always danger with such a terribly infectious malady. It is
+fifty times more fatal than double pneumonia. It attacks the lungs so
+rapidly that no remedy has any chance. Professor Steinwitz, of Stettin,
+discovered it."
+
+"And is there no remedy?"
+
+"None whatsoever. Its course is rapid--a poisoning of the whole
+pulmonary system, and it's even more contagious than small-pox."
+
+Then they removed their masks and drank to "The Day" in their German
+wine.
+
+Six nights later Stella Steele had feigned illness--a strain while on
+her motor-cycle, and her understudy was taking her part in "Half a
+Moment!" much to the disappointment of the men in khaki, who had seated
+themselves in the stalls to applaud her. Among the men on leave many
+had had her portrait upon a postcard--together with a programme in
+three-colour print--in their dug-outs in Flanders, for Stella Steele was
+"the rage" in the Army, and among the subalterns any who had ever met
+her, or who had "known her people," were at once objects of interest.
+
+In the darkness on a road with trees on either side--the road which runs
+from Tonbridge to Shipborne, and passes between Deene Park and Frith
+Wood--stood Kennedy and Ella. They had ridden down from London earlier
+in the evening and placed their motorcycles inside a gate which led into
+the forest on the left side of the road.
+
+They waited in silence, their ears strained, but neither uttered a word.
+Kennedy had showed his well-beloved the time. It was half-past one in
+the morning.
+
+Of a sudden, a motor-car came up the hill, a closed car, which passed
+them swiftly, and then, about a quarter-of-a-mile further on, came to a
+halt. Presently they heard footsteps in the darkness and in their
+direction there walked three men. The moon was shining fitfully through
+the clouds, therefore they were just able to distinguish them. The trio
+were whispering, and two of them were carrying good-sized kit-bags.
+
+They came to the gate where, inside, Ella and Kennedy had hidden their
+cycles, and there halted.
+
+That they were smoking Kennedy and his companion knew by the slight
+odour of tobacco that reached them. For a full quarter-of-an-hour they
+remained there, chatting in low whispers.
+
+"I wonder who they are?" asked Ella, bending to her lover's ear.
+
+"Who knows?" replied the air-pilot. "At any rate, we'll have a good
+view from here. You were not mistaken as to the spot?"
+
+"No. I heard it discussed last night," was the girl's reply.
+
+Then, a moment later, there was a low sound of wheels and horses' hoofs
+climbing the hill from the open common into that stretch of road
+darkened by the overhanging trees. Ella peered forth and saw a dim oil
+lamp approaching, while the jingling of the harness sounded plain as the
+horses strained at their traces.
+
+Onward they came, until when close to the gate where the three men lay
+in waiting, one of the latter flashed a bright light into the face of
+the old man who was driving the waggon, and shouted:
+
+"Stop! _Stop_!"
+
+The driver pulled up in surprise, dazzled by the light, but the next
+second another man had flung into his face a mixture of cayenne pepper
+and chemicals by which, in an instant, he had become blinded and
+stupefied, falling back into his seat inert and helpless.
+
+Then Ella and Kennedy, creeping up unnoticed by the three in their
+excitement, saw that they had mounted into the waggon, which was loaded
+with milk-churns--the waggon driven nightly from Furze Down Farm to the
+great camp at B--, carrying the milk for the morning.
+
+Upon these chums the three set swiftly to work, opening each, dropping
+in one of those soluble bombs, and closing them. The bombs they took
+from the two kit-bags they had carried from the car.
+
+They were engaged in carrying out one of the most dastardly plots ever
+conceived by Drost and his friends--infecting the milk supply of the
+great training-camp!
+
+Kennedy was itching to get at them and prevent them, but he saw that, by
+knowledge gained, he would be in a position to act more effectively than
+if he suddenly alarmed them. Therefore the pair stood by until they had
+finished their hideous work of filling each chum with the most deadly
+and infectious malady known to medical science.
+
+Presently, when they had finished, the old driver, still insensible, was
+lifted from his seat, carried into the wood, and there left, while one
+of the conspirators--who they could now see was dressed as a farm-hand,
+and would no doubt pose as a new labourer from Furze Down--took his
+place and drove on as though nothing had happened, leaving the other two
+to make their way back to the car.
+
+When the red rear-light of the waggon was receding, Kennedy and Ella
+followed it, for it did not proceed at much more than walking pace.
+
+They walked along in silence till they saw the two men re-enter the car,
+leaving their companion to deliver the milk at the camp. Evidently a
+fourth man had been waiting in the car for, as soon as they were in, the
+man who drove turned the car, which went back in the direction it had
+come, evidently intending to meet the second waggon, which was due to
+come up an hour afterwards. No doubt the same programme would be
+repeated, and the fourth man would drive the second car to the adjacent
+camp.
+
+As soon, however, as the car had got clear away, Kennedy and his
+well-beloved ran to their motorcycles, mounted them, and in a short time
+had passed in front of the milk-waggon ere it could get down into
+Shipborne village.
+
+Putting their motors against a fence, they waited until the waggon came
+up, when Kennedy stepped into the road, and flashing an electric lamp on
+to the driver's face, at the same time fired a revolver point-blank at
+him.
+
+This gave the fellow such a sudden and unexpected scare that he leaped
+down from the waggon and, next moment, had disappeared into the
+darkness, while Ella rushed to the horses' heads and stopped them.
+
+"That's all right!" laughed Kennedy. "Have you got your thick gloves
+on?"
+
+"Yes, dear."
+
+"Well, be careful that not a drop of milk goes over your hands or feet.
+There's lots of time to pitch it all out on the roadway."
+
+Then climbing into the waggon the pair, by a pre-arranged plan, began to
+open the chums and turn their contents out of the waggon until the whole
+wet roadway was white with milk, which soaked into the ground and ran
+into the gutters and down the drains: for, fortunately, being near
+Shipborne, the footpaths on either side were drained, and by that any
+chance of infection later would, they knew, be minimised.
+
+Each chum they turned upon its side until not a drain of milk remained
+within, and then, leading the horses to graze on the grass at the
+roadside, the pair sped swiftly back along the road in the direction the
+car had taken.
+
+About five miles away they found the conspirators' car upon the side of
+the road without any occupant. They were waiting for the second waggon.
+
+Without ado, Kennedy mounted into it, started it, and drew it out into
+the middle of the road, which at that point was upon a steep gradient.
+
+Then, taking a piece of blind-cord from his pocket, he swiftly tied up
+the steering-wheel and, jumping out, started the car down the hill.
+
+Away it flew at furious speed, gathering impetus as it went. For a few
+moments they could hear it roaring along until, suddenly, there was a
+terrific crash.
+
+"That's upset their plans, I know," he laughed to Ella.
+
+"We'll go and investigate in a moment, and watch the fun."
+
+This they did later on, finding the car turned turtle at the bottom of
+the hill, with three men standing around it in dismay.
+
+Kennedy inquired what had happened, but neither would say much.
+
+Yet, while they stood there, the second milk-laden waggon approached,
+passed, and went onward, its sleepy driver taking no notice of the five
+people at the roadside.
+
+For half-an-hour Kennedy and Ella remained there in pretence of
+endeavouring to right the car, until they knew that the waggon, with its
+contents, was well out of harm's way.
+
+Then they remounted and returned to London, having, by their ingenious
+investigations and patient watching, saved the lives of thousands of
+Great Britain's gallant boys in khaki.
+
+Two days later Theodore Drost was taken suddenly ill with symptoms which
+puzzled his local doctor at Barnes. He spoke to Ortmann over the
+telephone, but the latter dared not risk a visit to Castelnau. Ella
+also heard from her father over the telephone when, that night, she
+returned to Stamfordham Mansions at the end of the "show." She, knowing
+all she did, regarded a visit there as too dangerous, but rang up
+Kennedy at his air-station and guardedly informed him of the situation.
+
+Five days later Theodore Drost lay dead of a malady to which the
+bespectacled doctor at Barnes gave a name upon his certificate, but of
+which he was really as ignorant as his own chauffeur.
+
+But the curious part of the affair was that while Drost lay dead in the
+house, and the night before his burial, a mysterious fire broke out
+which gutted the place, a fact which no doubt must have been a great
+mystery to Ortmann and his friends.
+
+The Metropolitan Fire Brigade still entertain very grave suspicions that
+it was due to an incendiary because of its fierceness; yet who, they ask
+themselves, could have had any evil design upon the property of the poor
+dead Dutch pastor?
+
+The End.
+
+
+
+
+
+
+End of the Project Gutenberg EBook of The Bomb-Makers, by William Le Queux
+
+*** END OF THE PROJECT GUTENBERG EBOOK 41132 ***