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+ The Project Gutenberg eBook of John Deere's Steel Plow, by Edward C. Kendall.
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+ margin-right: 0; padding: 0; text-align: center;}
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+<pre>
+
+The Project Gutenberg EBook of John Deere's Steel Plow, by Edward C. Kendall
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever. You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org
+
+
+Title: John Deere's Steel Plow
+
+Author: Edward C. Kendall
+
+Release Date: December 4, 2010 [EBook #34562]
+
+Language: English
+
+Character set encoding: ISO-8859-1
+
+*** START OF THIS PROJECT GUTENBERG EBOOK JOHN DEERE'S STEEL PLOW ***
+
+
+
+
+Produced by Chris Curnow, Joseph Cooper, Louise Pattison
+and the Online Distributed Proofreading Team at
+http://www.pgdp.net
+
+
+
+
+
+
+</pre>
+
+
+<div class="figcenter" style="width: 400px;">
+<img src="images/cover.jpg" width="400" height="556" alt="Cover" title="Cover" />
+</div>
+
+<p><span class="pagenum"><a name="Page_15" id="Page_15">[Pg 15]</a></span></p>
+
+
+<h1><br /><span class="smcap">Contributions from</span><br />
+
+<span class="smcap">The Museum of History and Technology:</span><br />
+
+<span class="smcap">Paper 2</span><br /><br /><br /><br />
+
+<span class="smcap">John Deere's Steel Plow</span></h1>
+
+<p class="right" style="font-size: larger;"><i>Edward C. Kendall</i></p>
+
+
+<p>
+<span class="rnum">DEERE AND ANDRUS&nbsp; &nbsp;<a href="#Page_17">17</a></span><br />
+<br />
+<span class="rnum">THE FIRST PLOW&nbsp; &nbsp;<a href="#Page_19">19</a></span><br />
+<br />
+<span class="rnum">STEEL OR IRON&nbsp; &nbsp;<a href="#Page_21">21</a></span><br />
+<br />
+<span class="rnum">WHY A STEEL PLOW&nbsp; &nbsp;<a href="#Page_23">23</a></span><br />
+<br />
+<span class="rnum">RECONSTRUCTIONS&nbsp; &nbsp;<a href="#Page_24">24</a></span><br />
+<br />
+<span class="rnum">IN SUMMARY&mdash;&nbsp; &nbsp;<a href="#Page_25">25</a></span><br />
+</p>
+
+
+
+<hr style="width: 65%;" />
+<p><span class="pagenum"><a name="Page_16" id="Page_16">[Pg 16]</a></span></p>
+<p class="right"><a name="By_Edward_C_Kendall" id="By_Edward_C_Kendall"></a><i>By Edward C. Kendall</i></p>
+
+<h2 style="font-size: 1.5em;letter-spacing:0.25em;">JOHN DEERE'S STEEL PLOW</h2>
+
+
+<div class="blockquotn"><p><i>John Deere in 1837 invented a plow that could be used
+successfully in the sticky, root-filled soil of the prairie.
+It was called a steel plow. Actually, it appears that only the
+cutting edge, the share, on the first Deere plows was steel.
+The moldboard was smoothly ground wrought iron.</i></p>
+
+<p><i>Deere's invention succeeded because, as the durable steel
+share of the plow cut through the heavy earth, the sticky soil
+could find no place to cling on its polished surfaces.</i></p></div>
+
+<p><span class="smcap">Americans moving westward</span> in the beginning of the 19th century soon
+encountered the prairie lands of what we now call the Middle West. The
+dark fertile soils promised great rewards to the farmers settling in
+these regions, but also posed certain problems. First was the breaking
+of the tough prairie sod. The naturalist John Muir describes the
+conditions facing prairie farmers when he was a boy in the early 1850's
+as he tells of the use of the big prairie-breaking plows in the
+following words:<a name="FNanchor_1_1" id="FNanchor_1_1"></a><a href="#Footnote_1_1" class="fnanchor">[1]</a></p>
+
+<blockquote><p>They were used only for the first ploughing, in breaking up
+the wild sod woven into a tough mass, chiefly by the cord-like
+roots of perennial grasses, reinforced by the tap roots of oak
+and hickory bushes, called "grubs," some of which were more
+than a century old and four or five inches in diameter.... If
+in good trim, the plough cut through and turned over these
+grubs as if the century-old wood were soft like the flesh of
+carrots and turnips; but if not in good trim the grubs
+promptly tossed the plough out of the ground.</p></blockquote>
+
+<p>The second and greater problem was that the richer lands of the prairie
+bottoms, after a few years of continuous cultivation, became so sticky
+that they clogged the moldboards of the plows. Clogging was such a
+factor in prairie plowing that farmers in these regions carried a wooden
+paddle solely for cleaning off the moldboard, a task which had to be
+repeated so frequently that it seriously interfered with plowing
+efficiency. It seems probable that by the 1830's blacksmiths in the
+prairie country were beginning to solve the problem of continuous
+cultivation of sticky prairie soil by nailing strips of saw steel to the
+face of wooden moldboard of the traditional plows. Figure <a href="#Fig_1">1</a> is a
+photograph of an 18th century New England plow in the collection of the
+U. S. National Museum. This is one type of plow which was brought west
+by the settlers. It contributed to the development of the prairie
+breaker shown in figure <a href="#Fig_2">2</a>. The first plow on record with strips of steel
+on the moldboard is attributed to John Lane in Chicago in 1833.<a name="FNanchor_2_2" id="FNanchor_2_2"></a><a href="#Footnote_2_2" class="fnanchor">[2]</a> Steel
+presented a smoother surface which shed the sticky loam better than the
+conventional wooden moldboards covered with wrought iron, or the cast
+iron moldboards of the newer factory-made plows then coming into use.</p>
+
+<p>It is generally accepted as historical fact that John Deere made his
+first steel plow in 1837 at Grand Detour, Illinois. The details of the
+construction of<span class="pagenum"><a name="Page_17" id="Page_17">[Pg 17]</a></span> this plow have been variously given by different
+writers. Ardrey<a name="FNanchor_3_3" id="FNanchor_3_3"></a><a href="#Footnote_3_3" class="fnanchor">[3]</a> and Davidson<a name="FNanchor_4_4" id="FNanchor_4_4"></a><a href="#Footnote_4_4" class="fnanchor">[4]</a> describe Deere's original plow as
+having a wooden moldboard covered with strips of steel cut from a saw,
+in the manner of the John Lane plow.</p>
+
+<div class="sidebar">
+<p><span class="smcap">The Author</span>:</p>
+
+<p><i>Edward C. Kendall is curator of agriculture, Museum of History and
+Technology, in the Smithsonian Institution's United States National
+Museum.</i></p>
+</div>
+
+<p>In recent years the 1837 Deere plow has been pictured quite differently.
+This has apparently come about as the result of the discovery of an old
+plow identified as one made by John Deere at Grand Detour in 1838 and
+sold to Joseph Brierton from whose farm it was obtained in 1901 by the
+maker's son, Charles H. Deere. He brought it to the office of Deere &amp;
+Company at Moline, Illinois, for preservation and display. This plow is
+shown in figures <a href="#Fig_7">7</a> and <a href="#Fig_9">9</a>. In 1938 Deere &amp; Company presented it to the U.
+S. National Museum, where it is on display. It can be seen that the
+moldboard is made of one curved diamond-shaped metal slab. This plow
+bottom conforms to the description of the "diamond" plows manufactured
+by Deere in the 1840's.<a name="FNanchor_5_5" id="FNanchor_5_5"></a><a href="#Footnote_5_5" class="fnanchor">[5]</a> The Company states that according to its
+records, this was one of three plows made by Deere in 1838 and that it
+was probably substantially identical with the first one made in 1837.<a name="FNanchor_6_6" id="FNanchor_6_6"></a><a href="#Footnote_6_6" class="fnanchor">[6]</a>
+It may be difficult to prove that the Museum's specimen was made in
+1838, but a comparison of this plow (fig. <a href="#Fig_7">7</a>) with the 1847 moldboard
+(fig. <a href="#Fig_5">5</a>) and the 1855 plow (fig. <a href="#Fig_6">6</a>) suggests that the Museum's plow is
+the earliest of the three, since there is particularly evident an
+evolution of the shape of the moldboard from a simple, almost crude form
+to a more sophisticated shape.</p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_1" id="Fig_1"></a>
+<img src="images/i006.jpg" width="600" height="254" alt="Figure 1." title="Figure 1." />
+<p class="caption2">Figure 1.&mdash;<span class="smcap">New England Strong Plow, Mid-18th Century</span>.
+Colter locked into heavy, broad share; wooden moldboard covered with
+iron strips. (<i>Cat. no. F1091</i>; <i>Smithsonian photo 13214</i>.)</p>
+</div>
+
+<h3>DEERE AND ANDRUS</h3>
+
+<p>Writers of the 20th century describing the making of the first John
+Deere steel plow have in mind the 1838 plow. One<a name="FNanchor_7_7" id="FNanchor_7_7"></a><a href="#Footnote_7_7" class="fnanchor">[7]</a> has John Deere
+pondering the local plowing problem and getting an idea from the
+polished surface of a broken steel mill saw. Another<a name="FNanchor_8_8" id="FNanchor_8_8"></a><a href="#Footnote_8_8" class="fnanchor">[8]</a> claims that
+Leonard Andrus, the founder and leading figure of Grand Detour and part
+owner of the sawmill,<span class="pagenum"><a name="Page_18" id="Page_18">[Pg 18]</a></span> conceived the design of the plow and employed
+Deere, the blacksmith newly arrived from Vermont, to build it. This idea
+may have originated with and was certainly promoted by the late Fred A.
+Wirt, as advertising manager of the J. I. Case Company. It is difficult,
+at this distance, to determine the parts played at the beginning by
+Deere and Andrus.</p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_2" id="Fig_2"></a>
+<img src="images/i009.jpg" width="600" height="269" alt="Figure 2." title="Figure 2." />
+<p class="caption2">Figure 2.&mdash;<span class="smcap">Large Prairie-Breaking Plow, Mid-19th Century</span>.
+Wheels underneath the beam regulate the depth of plowing; large wheel
+runs in the furrow, small wheel on the land. The colter is braced at the
+bottom as well as at the top. The share cuts a broad, shallow strip of
+sod which the long, gently curving moldboard turns over unbroken.</p>
+</div>
+
+<p>The earliest existing partnership agreement involving Andrus and Deere
+is dated March 20, 1843.<a name="FNanchor_9_9" id="FNanchor_9_9"></a><a href="#Footnote_9_9" class="fnanchor">[9]</a> The existing copy is unsigned, but its
+conditions are the same as those in the agreements executed during the
+next few years. It began by stating that Deere and Andrus had agreed "to
+become copartners together in the art and trade of Blacksmithing,
+ploughmaking and all things thereto belonging at the said Grand Detour,
+and all other business that the said parties may hereafter deem
+necessary for their mutual interest and benefit ..." One of the terms
+was that the copartnership should continue from the date of the
+agreement "under the name and firm of Leonard Andrus."</p>
+
+<p>A second agreement dated October 26, 1844,<a name="FNanchor_10_10" id="FNanchor_10_10"></a><a href="#Footnote_10_10" class="fnanchor">[10]</a> which brought in a third
+partner, Horace Paine, described the business as "the art and trade of
+Blacksmithing Plough Making Iron Castings and all things thereto
+belonging ..." and stated that the copartnership should be conducted
+"under the name and firm of L. Andrus and Co." The third agreement,
+dated October 20, 1846, in which another man appeared in place of Paine,
+gave the name of the firm as Andrus, Deere, and Lathrop.<a name="FNanchor_11_11" id="FNanchor_11_11"></a><a href="#Footnote_11_11" class="fnanchor">[11]</a> This
+carried an addendum dated June 22, 1847, in which Andrus and Deere
+bought out Lathrop's interest in the business and agreed to continue
+under the name of Andrus and Deere. This is the only mention of the firm
+of Andrus and Deere. It could only have lasted a few months because it
+was in 1847 that Deere moved to Moline and established his plow factory
+there.</p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_3" id="Fig_3"></a>
+<img src="images/i012.jpg" width="600" height="152" alt="Figure 3." title="Figure 3." />
+<p class="caption2">Figure 3.&mdash;<span class="smcap">Reconstructions of John Deere's 1837 Plow</span>. For
+a discussion of the position and attachment of the handles see p. <a href="#Page_24">24</a>.
+(<i>Deere &amp; Company photo</i>.)</p></div>
+
+<p>These agreements suggest that Leonard Andrus was the capitalist of the
+young community of Grand Detour, as well as its founder. The dominance
+of the name Andrus tends to back up the opinion which holds that Andrus
+was the leading figure in the development of the successful prairie
+plow. On the other hand, the general tone of the agreements suggests
+that two or more people were participating in an enterprise in which
+each contributed to the business and shared in the results. Deere
+contributed his plow and his blacksmith shop, tools, and outbuildings;<span class="pagenum"><a name="Page_19" id="Page_19">[Pg 19]</a></span>
+Andrus contributed money and business experience. There is no indication
+that they were formally associated prior to the agreement of March 20,
+1843. An advertisement (it is quoted later) dated February 3, 1843, and
+appearing in the March 10, 1843, issue of the <i>Rock River Register</i>,
+carries an announcement by John Deere that he is ready to fill orders
+for plows, which he then describes. There is no mention of Andrus or of
+an Andrus and Deere firm. I am inclined by the evidence to the view that
+Deere worked out his plow by himself, began to manufacture it in small
+numbers, needed money to enlarge and expand his operations, and went to
+the logical source of capital in the community, Leonard Andrus.</p>
+
+<p>In support of this view I quote a statement by Mr. Burton F. Peek<a name="FNanchor_12_12" id="FNanchor_12_12"></a><a href="#Footnote_12_12" class="fnanchor">[12]</a>
+who has spent most of his life in Deere &amp; Company and who may now be the
+only person living who knew John Deere:</p>
+
+<blockquote><p>Andrus removed to Grand de Tour from some place in New York
+[Rochester, though originally from Vermont]. Some years later
+John Deere came along from Rutland, Vermont leaving his family
+behind him. Whether Deere ever heard of Andrus or Andrus of
+Deere no one knows.</p>
+
+<p>Having decided to remain in Grand de Tour, Deere sent for his
+family asking my paternal grandfather, William Peek, to bring
+them and also the Peek family out to Grand de Tour. This was
+done via covered wagon the journey occupying some six weeks.
+My father, Henry C. Peek, was then an infant age six weeks and
+Charles Deere, the son of John, an infant of about the same
+age. Of course these infants came along sleeping in the feed
+box of the wagon. My grandfather "took up land" adjacent to
+Grand de Tour and John Deere continued in the manufacturing
+business.</p>
+
+<p>Incidentally, John Deere and William Peek were brothers-in-law
+having married sisters and what I have said, and much more
+that I might say to you, is based upon what I have been told
+by my grandfather, by John Deere and by others who had a part
+in the early history of the company. So far as I know, I am
+the only living person who ever knew or saw John Deere....</p>
+
+<p>... I joined the Deere Company on October 1, 1888, at the age
+of 16 and retired on the 28th of April, 1956&mdash;nearly 68 years.
+C. H. Deere was my great friend and benefactor. I was educated
+at his expense as a lawyer and practiced for thirteen years.
+During this time I was his personal attorney, I drew his will,
+was made trustee thereunder, and probably was more intimate
+with him than any living person. I have seen and read the
+manuscript of an early history of the company which he wrote,
+but never published and there was nothing in it to indicate
+that Andrus had any part in the manufacture of the first
+successful steel plow and it is my firm belief that he had no
+part other than perhaps a friendly interest in it.</p></blockquote>
+
+
+<h3>THE FIRST PLOW</h3>
+
+<p>Most writers describe Deere cutting a diamond-shaped piece out of a
+broken steel mill saw. There is usually no further identification of the
+type of saw beyond the statement that it came from the Andrus sawmill.
+Neil Clark, author of a brief biography of John Deere, states that the
+diamond-shaped piece was cut out of a circular saw.<a name="FNanchor_13_13" id="FNanchor_13_13"></a><a href="#Footnote_13_13" class="fnanchor">[13]</a> There is no
+evidence given to support this. There are some powerful arguments
+against it. The circular saw, especially of the larger size, was
+probably not very common in America in the 1830's. Although an English
+patent for a circular saw was issued in 1777 the first circular saw in
+America is attributed to Benjamin Cummins of Bentonsville, New York,
+about 1814.<a name="FNanchor_14_14" id="FNanchor_14_14"></a><a href="#Footnote_14_14" class="fnanchor">[14]</a></p>
+
+<div class="figcenter" style="width:650px;">
+<div class="figleft" style="width: 300px;">
+<a name="Fig_4" id="Fig_4"></a>
+<img src="images/i014.jpg" width="300" height="486" alt="Figure 4." title="Figure 4." />
+<p class="caption2">Figure 4.&mdash;<span class="smcap">How Deere Probably Cut and Bent the Flat Plate</span>
+of his 1838 plow to form the moldboard and landside. Because of the
+shape of the moldboard it became known as the diamond plow.</p></div>
+
+<div class="figright" style="width: 300px;">
+<a name="Fig_5" id="Fig_5"></a>
+<img src="images/i015.jpg" width="300" height="298" alt="Figure 5." title="Figure 5." />
+<p class="caption2">Figure 5.&mdash;<span class="smcap">Moldboard of 1847 John Deere Plow</span>, showing how
+the diamond shape of the original design has been slightly modified.
+(<i>Deere &amp; Company photo 57192-D</i>.)</p>
+</div>
+</div>
+
+<p style="clear:both;">In a small, new, pioneering community it seems unlikely that the local
+sawmill would have been equipped with the newer circular saw rather than
+the familiar up and down saw which remained in use<span class="pagenum"><a name="Page_20" id="Page_20">[Pg 20]</a></span> throughout the 19th
+century and, in places, well into the 20th century. The up and down saw
+was a broad strip of iron or steel with large teeth in one edge. Driven
+by water power it slowly cut large logs into boards. It is doubtful that
+the circular saws of that period were large enough for this kind of mill
+work. The second argument is the shape of the moldboard itself. The
+photograph of the 1838 plow in figure <a href="#Fig_7">7</a> shows that the shape of the
+moldboard is unconventional. It is essentially a parallelogram curved to
+present a concave surface to the furrow slice and thus to make a simple,
+small but workable plow. A parallelogram or diamond would be an easy
+shape to cut out of a mill saw with the teeth removed. The moldboard on
+the 1838 plow is from .228 to .238 inches thick and its width is 12
+inches. These dimensions approximate those given in an 1897 Disston
+catalog<a name="FNanchor_15_15" id="FNanchor_15_15"></a><a href="#Footnote_15_15" class="fnanchor">[15]</a> which describes mulay saws, a type of mill saw, from 10 to
+12 inches wide and from 4 to 9 gauge. Gauge number 4 is the thickest and
+is .238 inches.</p>
+
+<p>Examination of the 1838 plow suggests that Deere cut the moldboard and
+landside as one piece, which was then heated and bent to the desired
+form. The pattern of this piece is shown in figure <a href="#Fig_4">4</a>. Some additional
+metal appears to be forged into the sharp bend at the junction of the
+moldboard and the landside apparently to strengthen this part, which may
+have begun to open during the bending. If, however, Deere had used a
+large circular saw with plenty of room for cutting out a moldboard of
+the usual shape and size, it seems likely that he would have made a plow
+of more conventional appearance. In any event his moldboard of one
+jointless piece of polished metal would scour better than one of wood
+covered with strips of steel since the nailheads and the joints between
+the strips would provide places for the earth to stick.<span class="pagenum"><a name="Page_21" id="Page_21">[Pg 21]</a></span></p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_6" id="Fig_6"></a>
+<img src="images/i016.jpg" width="600" height="330" alt="Figure 6." title="Figure 6." />
+<p class="caption2">Figure 6.&mdash;<span class="smcap">The Shape of the Moldboard</span> continued to
+evolve, as illustrated by this 1855 John Deere plow. (<i>Deere &amp; Company
+photo 57192-A</i>.)</p></div>
+
+<p>A very great majority of writers describing John Deere and his plow
+attribute his fame to his development of a successful steel plow which
+made cultivation of rich prairie soil practical. The emphasis is always
+on the development of a steel moldboard and the assumption is that from
+the 1837 plow onward stretched an unbroken line of steel moldboard
+plows. An advertisement for John Deere plows in the March 10, 1843,
+issue of the <i>Rock River Register</i>, published weekly in Grand Detour,
+Illinois, gives a detailed description, here presented in full:</p>
+
+<blockquote><p>John Deere respectfully informs his friends and customers, the
+agricultural community, of this and adjoining counties, and
+dealers in Ploughs, that he is now prepared to fill orders for
+the same on presentation.</p>
+
+<p>The Moldboard of this well, and so favorably known PLOUGH, is
+made of wrought iron, and the share of steel, 5/16 of an inch
+thick, which carries a fine sharp edge. The whole face of the
+moldboard and share is ground smooth, so that it scours
+perfectly bright in any soil, and will not choke in the
+foulest of ground. It will do more work in a day, and do it
+much better and with less labor, to both team and holder, than
+the ordinary ploughs that do not scour, and in consequence of
+the ground being better prepared, the agriculturalist obtains
+a much heavier crop.</p>
+
+<p>The price of Ploughs, in consequence of hard times, will be
+reduced from last year's prices. Grand Detour, Feb. 3, 1843.</p></blockquote>
+
+<p>This raised two questions: Why, and for how long, was wrought iron used
+for the moldboards of the Deere plows? Of what material is the moldboard
+of the 1838 plow made? During the first few years, when production was
+very small, there were probably enough worn out mill saws available for
+the relatively few plows made. As production increased this source must
+have become inadequate. Ardrey gives the following figures for the
+production of plows by Deere and Andrus:<a name="FNanchor_16_16" id="FNanchor_16_16"></a><a href="#Footnote_16_16" class="fnanchor">[16]</a> 1839, 10 plows; 1840, 40
+plows; 1841, 75 plows; 1842, 100 plows; 1843, 400 plows. Ardrey states
+further that "by this time the difficulty of obtaining steel in the
+quantity and quality needed had become a serious obstacle in the way of
+further development." The statement, quoted above, that the moldboard
+was of wrought iron and the statistics on production of plows during the
+1840's and 1850's belie Ardrey's claim that it was a serious obstacle,
+nor is there any suggestion in the advertisement that wrought iron was
+being substituted for steel.</p>
+
+<p>In 1847 John Deere amicably severed relations with the firm of Andrus &amp;
+Deere and moved to Moline, Illinois, to continue plow manufacturing in a
+site that had better transportation facilities than Grand Detour. The
+new firm produced 700 plows in the first year, 1600 in 1850, and 10,000
+in 1857.<a name="FNanchor_17_17" id="FNanchor_17_17"></a><a href="#Footnote_17_17" class="fnanchor">[17]</a> Swank<a name="FNanchor_18_18" id="FNanchor_18_18"></a><a href="#Footnote_18_18" class="fnanchor">[18]</a> states that the first slab of cast plow steel
+ever rolled in the United States was in 1846 and that it was shipped to
+John Deere of Moline, Illinois. A little later he says that it was not
+until the early 1860's in this country that several firms succeeded in
+making high grade crucible cast steel of uniform quality as a regular
+product.<span class="pagenum"><a name="Page_22" id="Page_22">[Pg 22]</a></span></p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_7" id="Fig_7"></a>
+<img src="images/i018.jpg" width="600" height="293" alt="Figure 7." title="Figure 7." />
+<p class="caption2">Figure 7.&mdash;<span class="smcap">John Deere's 1838 Plow, Right Side</span>, showing
+large iron staple used to fasten end of right handle to the standard.
+Note remains of wooden pin near rear end of plow beam. (<i>Cat. no.
+F1111</i>; <i>Smithsonian photo 42639-A</i>.)</p>
+</div>
+<p>Based on a visit to Deere's factory in 1857 the <i>Country Gentleman</i><a name="FNanchor_19_19" id="FNanchor_19_19"></a><a href="#Footnote_19_19" class="fnanchor">[19]</a>
+gave the yearly output as 13,400 plows. It pictured four of seven models
+and stated, "these are all made of cast steel, and perfectly polished
+before they are sent out, and are kept bright by use, so that no soil
+adheres to them." The article then gives the tonnages of iron and steel
+used by the Deere factory in a year. They are as follows: 50 tons cast
+steel, 40 tons German steel, 100 tons Pittsburgh steel, 75 tons
+castings, 200 tons wrought iron, 8 tons malleable castings in clevises,
+etc. In addition 100,000 plow bolts and 200,000 feet of oak plank were
+used.</p>
+
+<p>These figures do not indicate what the different parts of the plows were
+made of but, if approximately correct, they do show that more than half
+the metal used was iron rather than steel. Steel accounts for 190 tons;
+wrought iron for 200. Although it is conceivable, under this weight
+distribution, that the shares and moldboards were made of steel while
+the landsides and standards were made of wrought iron, other
+distributions are also possible, and it is quite conceivable that at
+this period some of the plows had steel moldboards while others had
+wrought-iron ones. An analysis of the metal in different parts of an
+1855 John Deere plow, now at the factory in Moline, may shed some light
+on this, but from these figures and dates it seems likely that most of
+John Deere's plows during the 1840's and 1850's had wrought-iron
+moldboards with steel shares. (It should be borne in mind that the
+poorer grades of steel available at this time were probably no more
+satisfactory than cast iron as far as scouring clean in sticky soil was
+concerned.)</p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_8" id="Fig_8"></a>
+<img src="images/i019.jpg" width="600" height="281" alt="Figure 8." title="Figure 8." />
+<p class="caption2">Figure 8.&mdash;<span class="smcap">Reconstruction of Deere's 1838 Plow</span>, right
+side, with handles shown in what is believed to be their original
+position. (<i>Smithsonian photo 42647</i>.)</p></div>
+
+<p>The question of the material in the moldboard of the 1838 plow was
+answered when a spark-test analysis was made of the metal in the
+moldboard and share. In this test the color, shape, and pattern of the
+spark bursts produced by a high-speed grinding wheel indicate the type
+of iron or steel. Several spots along the edges and back surface of the
+moldboard were tested. <span class="pagenum"><a name="Page_23" id="Page_23">[Pg 23]</a></span>No carbon bursts were seen in the spark
+patterns, indicating that the material was wrought iron. The share
+consists of a piece, wedge shaped in cross section, welded on to the
+lower, or front, edge of the moldboard. This was tested at several spots
+along its sharp edge, all of which gave a pattern and color indicating
+that the material was medium high carbon steel. This test was
+corroborated by a chemical analysis of filings from the moldboard and
+share in a metallurgical laboratory. A small trace of carbon was found
+in the moldboard. It may be present as the result of contamination from
+several sources, a likely one being the charcoal fire in the forge when
+it was heated for bending and shaping.<a name="FNanchor_20_20" id="FNanchor_20_20"></a><a href="#Footnote_20_20" class="fnanchor">[20]</a></p>
+
+<p>These tests agree perfectly with the description in the 1843
+advertisement. It seems, therefore, that Deere's success in making plows
+that worked well in prairie bottom lands depended as much on the smooth
+surface he produced by grinding and polishing as on the material used.</p>
+
+<p>The filing of the edge of the moldboard for the metallurgical test
+disclosed that the wrought-iron slab consisted of five thin laminations
+apparently forged together but with separations visible. The length and
+regularity of the lines of separation seem to preclude their being
+striations resulting from the fibrous structure of wrought iron. This
+calls into question the theory that the moldboard and landside were cut
+from a mill saw, since it hardly seems likely that a saw would be made
+of laminated material. The possibility exists that the body of the mill
+saw might have been made this way, with a tooth-bearing steel edge
+welded on, but there seems little reason for making a saw out of thin
+laminations. It is also possible that this laminated iron originally had
+been intended for some other purpose, such as boiler plate, and may have
+been available in rectangular pieces. In making the 1838 plow Deere
+followed a pattern (fig. 4), which suggests that he cut it out of such a
+piece.</p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_9" id="Fig_9"></a>
+<img src="images/i021.jpg" width="600" height="263" alt="Figure 9." title="Figure 9." />
+<p class="caption2">Figure 9.&mdash;<span class="smcap">John Deere's 1838 Plow, Left Side</span>, showing
+details of construction and relationship of landside to moldboard.
+(<i>Cat. no. F1111</i>; <i>Smithsonian photo 42639</i>.)</p>
+</div>
+<p>Since the moldboard of the 1838 plow is of wrought iron, and since this
+plow is thought to be essentially identical with the first one Deere
+made in 1837, it is highly probable that the 1837 plow also had a
+wrought-iron moldboard, a condition which appears to have been the basic
+pattern for John Deere plows until the middle 1850's.</p>
+
+
+<h3>WHY A "STEEL" PLOW</h3>
+
+<p>In view of the facts and the probabilities based on them, how is the
+legend of the John Deere steel plow to be explained? There are several
+likely reasons. It is possible that the first plow, in 1837, was made
+from a broken steel mill saw. It is also possible that within a few
+years puddled iron came to be used for the moldboards because of the
+scarcity of suitable steel, either in the form of broken mill saws or as
+plates ordered from foundries in America (the high price of steel
+imported from England made this an impractical source). However, it
+seems more likely that it became known as a steel plow owing to the
+importance Deere attached to his plows having steel shares, as shown in
+his advertisement in 1843. A steel share, tougher than cast iron, would
+hold an edge much better than wrought iron, and John Muir's description
+of prairie plowing, quoted earlier, substantiates the importance of a
+tough, sharp share.</p>
+
+<p>Deere's plows, probably distinctive by reason of their steel shares, may
+have been called "steel"<span class="pagenum"><a name="Page_24" id="Page_24">[Pg 24]</a></span> plows, in the regions where they were used, to
+distinguish them from the standard wooden plows and from the newer
+cast-iron implements. The term "wooden plow" has a similar history. For
+well over 2000 years in Europe some plows have been made with iron
+shares and the rest of the structure wood. Plows in 18th-century America
+were made principally of wood with iron shares, colters, and clevises,
+and with strips of iron frequently covering the wooden moldboard. These
+implements were called, simply, plows of various regional types. Not
+until the development and spread of the factory-made plows with
+cast-iron moldboards, landsides, and standards did the term "wooden
+plow" come into use to differentiate all these plows from the newer
+ones. Subsequently writers have been led to assume that "wooden plow"
+meant a plow with no iron parts and consequently to make unwarranted
+statements about the primitiveness of the 18th-century implements.</p>
+
+<p>A second reason for use of the term "steel plow" may have developed from
+the supposition that the moldboards of the first John Deere plows were
+made of diamond-shaped sections cut from old mill saws, which later
+writers seem to have assumed were made of steel. (It is probable that
+from the late 1850's on Deere plows had steel moldboards.) However, mill
+saws of the early 19th century were not necessarily made of steel, which
+was then relatively expensive. I have been told of an old mill saw made
+of wrought iron on which was welded a steel edge that carried the
+teeth.<a name="FNanchor_21_21" id="FNanchor_21_21"></a><a href="#Footnote_21_21" class="fnanchor">[21]</a> Rees' <i>Cyclopaedia</i><a name="FNanchor_22_22" id="FNanchor_22_22"></a><a href="#Footnote_22_22" class="fnanchor">[22]</a> describes saws as being made of
+either wrought iron or steel, the latter being preferable. Therefore, it
+seems most likely that Deere's plows, from his first until the middle
+1850's were made with highly polished wrought-iron moldboards and steel
+shares.</p>
+
+
+<h3>RECONSTRUCTIONS</h3>
+
+<p>The remains of the 1838 plow are shown in figures <a href="#Fig_7">7</a> and <a href="#Fig_9">9</a>. One's
+curiosity is aroused as to what the plow looked like in its original
+state, complete with handles. Several full-scale 3-dimensional
+reconstructions and a number of sketches of the 1837 plow have been
+made. The reconstructions all must have been based on the remains of the
+1838 plow, since they resemble it closely and it is the only surviving
+plow of this type known.</p>
+
+<p>Recently I received a photograph (fig. 3, right) of a plow which has
+been boxed and in storage for many years at Deere &amp; Company which may be
+an early Deere plow. As it appears in the photograph, the plow looks
+unconvincing. The handles are fastened by bolts and nuts, a manner
+uncommon in American plow making in the early 19th century. The shape of
+the handles is that of stock handles available for small plows and
+cultivators in such a catalog as Belknap's. The plow seems very high and
+weakly braced. There is no logical reason for curving the end of the
+beam down and cutting it off at a slant if the handles are attached in
+the manner shown. The edges of the tenon on the upper end of the
+standard where it goes through the mortise in the beam have been neatly
+beveled in a manner I have never seen before on any other plow. All of
+this leads me to think that this is an early reconstruction based on the
+remains of the 1838 plow which it only roughly approximates in
+proportion and design.</p>
+
+<p>Another of these reconstructions is shown in figure <a href="#Fig_3">3</a>, left. Although
+superficially like the 1838 plow it varies considerably in its
+proportions, in the angular relations of its parts, and in other details
+such as the use of iron bolts and nuts in place of wooden pins. All
+these reconstructions agree in one thing. They show a plow with handles
+fastened to both sides of the plow beam and standard.</p>
+
+<p>During an examination of the 1838 plow it occurred to me that there was
+no indication of an attachment of a handle on the landside in the same
+manner as on the furrow side. The position and attachment of the handle
+in figure <a href="#Fig_7">7</a> is clearly indicated by the remains of a wooden pin in the
+side of the plow beam near the rear end and by the large iron staple, in
+the side of the standard, which must have held the tapered lower end of
+the handle. Figure <a href="#Fig_8">8</a> is a sketch showing this handle in position. The
+landside view of this plow in figure <a href="#Fig_9">9</a> shows that the pin did not extend
+through the beam nor are there marks on the standard to indicate the
+position of a staple like that on the furrow side. The four holes
+approximately in line on the standard and beam show where a piece of
+sheet metal had been nailed to hold the beam and standard in about the
+right position. The outline of the sheet metal can be seen on the side
+of the beam. This was removed at the time this examination was made.<span class="pagenum"><a name="Page_25" id="Page_25">[Pg 25]</a></span></p>
+
+<p>How was the landside handle attached? W. E. Bridges of the National
+Museum suggests that it might have been attached to the lower side of
+the standard and the rear end of the plow beam. This seems, beyond
+doubt, to be correct. The wood has deteriorated considerably over the
+years and the joints are loose, but, within the limits of the existing
+structure, the plow beam can easily be set in such a position that its
+sloping rear end lines up with the slope of the underside of the
+standard. Furthermore, a long bolt runs from the upper part of the
+moldboard through the standard and projects quite far beyond its lower
+surface, as can be seen in figure <a href="#Fig_7">7</a>. The end of the bolt is threaded
+only part way and it has been necessary to put a cylindrical metal
+spacer on it in order to draw up the nut snugly. This long bolt must
+originally have passed through the lower end of the handle, which, in
+turn, was fastened to the end of the plow beam by a tenon on the end of
+the beam, now broken off, passing through a mortise in the handle. This
+was the common method of fastening the handle to the beam. The square
+hole in the plow's iron landside (fig. <a href="#Fig_7">7</a>), which at first might seem
+meant for another bolt passing through the lower end of the handle at
+right angles to the long bolt, seems too close to the other bolt and to
+the edges of the handle. It may simply be a first try for the bolt
+through the bottom of the standard. In this manner the handle would have
+been strongly attached to the plow frame and, at the same time, would
+have materially helped to make it rigid by forming one side of a
+triangular structure. Figures <a href="#Fig_8">8</a> and <a href="#Fig_10">10</a> show what I believe to be the
+correct reconstruction of the 1838 Deere plow along the lines just
+described and, therefore, the probable appearance of the 1837 plow.</p>
+
+<div class="figcenter" style="width: 600px;"><a name="Fig_10" id="Fig_10"></a>
+<img src="images/i024.jpg" width="600" height="295" alt="Figure 10." title="Figure 10." />
+<p class="caption2">Figure 10.&mdash;<span class="smcap">Reconstruction of Deere's 1838 Plow</span>, left
+side, showing how left handle is believed to have been attached.
+(<i>Smithsonian photo 42637</i>.)</p></div>
+
+<p>It should also be noted that it was general practice in making fixed
+moldboard plows to have the plow beam, standard, handle, and landside
+(or sharebeam, on the old plows) in the same plane. Symmetrical handles
+branching from both sides of the beam are found on cultivators, shovel
+plows, middle busters, and sidehill plows where the moldboard is turned
+alternately to each side.</p>
+
+
+<h3>IN SUMMARY&mdash;</h3>
+
+<p>The existing evidence, I believe, indicates that:</p>
+
+<p>1. The successful prairie plow with a smooth one-piece moldboard and
+steel share was basically Deere's idea.</p>
+
+<p>2. The moldboards of practically all of his plows, from 1837 and for
+about 15 years, were made of wrought iron rather than steel.</p>
+
+<p>3. The success of his plows in the prairie soils depended on a steel
+share which held a sharp edge and a highly polished moldboard to which
+the sticky soils could not cling.</p>
+
+<p>4. The importance attached to the steel share led to the plows being
+identified as steel plows.</p>
+
+<p>5. The correct reconstruction of the 1838 plow, and, by inference, the
+1837 plow, is shown in figures <a href="#Fig_8">8</a> and <a href="#Fig_10">10</a>, previous reconstructions being
+wrong primarily in the position and attachment of the handles.</p>
+
+<p>6. The Museum's John Deere plow (Cat. No. F1111), shown in figures <a href="#Fig_7">7</a> and
+<a href="#Fig_9">9</a>, is a very early specimen, on the basis of a comparison of it with
+Deere moldboards of 1847 and 1855 and its conformity to Deere's
+description of his plows in an 1843 advertisement; and the 1838 date
+associated with it is plausible.</p>
+
+
+<div class="footnotes">
+<h3>FOOTNOTES:</h3>
+
+<div class="footnote"><p><a name="Footnote_1_1" id="Footnote_1_1"></a><a href="#FNanchor_1_1"><span class="label">[1]</span></a> John Muir (1838-1914), <i>The story of my boyhood and youth</i>,
+Boston, 1913, pp. 227, 228.</p></div>
+
+<div class="footnote"><p><a name="Footnote_2_2" id="Footnote_2_2"></a><a href="#FNanchor_2_2"><span class="label">[2]</span></a> R. L. Ardrey, <i>American agricultural implements</i>, Chicago,
+1894, p. 14.</p></div>
+
+<div class="footnote"><p><a name="Footnote_3_3" id="Footnote_3_3"></a><a href="#FNanchor_3_3"><span class="label">[3]</span></a> <i>Ibid.</i>, p. 16.</p></div>
+
+<div class="footnote"><p><a name="Footnote_4_4" id="Footnote_4_4"></a><a href="#FNanchor_4_4"><span class="label">[4]</span></a> J. B. Davidson, "Tillage machinery," in L. H. Bailey's
+<i>Cyclopedia of American agriculture</i>, New York, 1907, vol. 1, p. 389.</p></div>
+
+<div class="footnote"><p><a name="Footnote_5_5" id="Footnote_5_5"></a><a href="#FNanchor_5_5"><span class="label">[5]</span></a> Leo Rogin, <i>The introduction of farm machinery in its
+relation to the productivity of labor in the agriculture of the United
+States during the nineteenth century</i>, Berkeley, 1931, p. 33.</p></div>
+
+<div class="footnote"><p><a name="Footnote_6_6" id="Footnote_6_6"></a><a href="#FNanchor_6_6"><span class="label">[6]</span></a> U. S. National Museum records under accession 148904.</p></div>
+
+<div class="footnote"><p><a name="Footnote_7_7" id="Footnote_7_7"></a><a href="#FNanchor_7_7"><span class="label">[7]</span></a> Neil M. Clark, <i>John Deere</i>, Moline, 1937, pp. 34, 35.</p></div>
+
+<div class="footnote"><p><a name="Footnote_8_8" id="Footnote_8_8"></a><a href="#FNanchor_8_8"><span class="label">[8]</span></a> Stewart H. Holbrook, <i>Machines of plenty</i>, New York, 1955,
+pp. 178, 179. To an inquiry by this author, Mr. Holbrook replied that
+most if not all of the material about Andrus came from the files of the
+J. I. Case Company.</p></div>
+
+<div class="footnote"><p><a name="Footnote_9_9" id="Footnote_9_9"></a><a href="#FNanchor_9_9"><span class="label">[9]</span></a> Photographic copies of partnership agreements between
+Andrus, Deere, and others are in U. S. National Museum records under
+accession 148904.</p></div>
+
+<div class="footnote"><p><a name="Footnote_10_10" id="Footnote_10_10"></a><a href="#FNanchor_10_10"><span class="label">[10]</span></a> <i>Ibid.</i></p></div>
+
+<div class="footnote"><p><a name="Footnote_11_11" id="Footnote_11_11"></a><a href="#FNanchor_11_11"><span class="label">[11]</span></a> <i>Ibid.</i></p></div>
+
+<div class="footnote"><p><a name="Footnote_12_12" id="Footnote_12_12"></a><a href="#FNanchor_12_12"><span class="label">[12]</span></a> Letter from Burton F. Peek to M. L. Putnam, December 18,
+1957, in U. S. National Museum records under accession 148904.</p></div>
+
+<div class="footnote"><p><a name="Footnote_13_13" id="Footnote_13_13"></a><a href="#FNanchor_13_13"><span class="label">[13]</span></a> Clark, <i>op. cit.</i> (footnote 7), p. 34.</p></div>
+
+<div class="footnote"><p><a name="Footnote_14_14" id="Footnote_14_14"></a><a href="#FNanchor_14_14"><span class="label">[14]</span></a> E. H. Knight, <i>American mechanical dictionary</i>, Boston,
+1884, vol. 3, p. 2033.</p></div>
+
+<div class="footnote"><p><a name="Footnote_15_15" id="Footnote_15_15"></a><a href="#FNanchor_15_15"><span class="label">[15]</span></a> Henry Disston &amp; Sons, <i>Price list</i>, Philadelphia, 1897, p.
+28.</p></div>
+
+<div class="footnote"><p><a name="Footnote_16_16" id="Footnote_16_16"></a><a href="#FNanchor_16_16"><span class="label">[16]</span></a> Ardrey, <i>op. cit.</i> (footnote 2), p. 166.</p></div>
+
+<div class="footnote"><p><a name="Footnote_17_17" id="Footnote_17_17"></a><a href="#FNanchor_17_17"><span class="label">[17]</span></a> <i>Ibid.</i>, p. 166.</p></div>
+
+<div class="footnote"><p><a name="Footnote_18_18" id="Footnote_18_18"></a><a href="#FNanchor_18_18"><span class="label">[18]</span></a> James M. Swank, <i>History of the manufacture of iron in all
+ages</i>..., Philadelphia, 1892, pp. 390, 393.</p></div>
+
+<div class="footnote"><p><a name="Footnote_19_19" id="Footnote_19_19"></a><a href="#FNanchor_19_19"><span class="label">[19]</span></a> <i>Country Gentleman</i>, 1857, vol. 10, p. 129.</p></div>
+
+<div class="footnote"><p><a name="Footnote_20_20" id="Footnote_20_20"></a><a href="#FNanchor_20_20"><span class="label">[20]</span></a> Reports on spark test by E. A. Battison, U. S. National
+Museum, and on metallurgical investigation by A. H. Valentine,
+Metallographic Laboratory of the Bethlehem Steel Company's Sparrows
+Point Plant.</p></div>
+
+<div class="footnote"><p><a name="Footnote_21_21" id="Footnote_21_21"></a><a href="#FNanchor_21_21"><span class="label">[21]</span></a> For this information I am indebted to Mr. E. A. Battison
+of the U. S. National Museum staff.</p></div>
+
+<div class="footnote"><p><a name="Footnote_22_22" id="Footnote_22_22"></a><a href="#FNanchor_22_22"><span class="label">[22]</span></a> Abraham Rees, <i>The cyclopaedia; or universal dictionary of
+arts, sciences, and literature</i>, Philadelphia, 1810-1842, vol. 33, under
+saw.</p></div>
+</div>
+
+
+
+
+
+
+
+
+<pre>
+
+
+
+
+
+End of Project Gutenberg's John Deere's Steel Plow, by Edward C. Kendall
+
+*** END OF THIS PROJECT GUTENBERG EBOOK JOHN DEERE'S STEEL PLOW ***
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+</body>
+</html>
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+The Project Gutenberg EBook of John Deere's Steel Plow, by Edward C. Kendall
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever. You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org
+
+
+Title: John Deere's Steel Plow
+
+Author: Edward C. Kendall
+
+Release Date: December 4, 2010 [EBook #34562]
+
+Language: English
+
+Character set encoding: ASCII
+
+*** START OF THIS PROJECT GUTENBERG EBOOK JOHN DEERE'S STEEL PLOW ***
+
+
+
+
+Produced by Chris Curnow, Joseph Cooper, Louise Pattison
+and the Online Distributed Proofreading Team at
+http://www.pgdp.net
+
+
+
+
+
+
+
+
+
+CONTRIBUTIONS FROM
+
+THE MUSEUM OF HISTORY AND TECHNOLOGY:
+
+PAPER 2
+
+
+JOHN DEERE'S STEEL PLOW
+
+_Edward C. Kendall_
+
+
+ DEERE AND ANDRUS 17
+
+ THE FIRST PLOW 19
+
+ STEEL OR IRON 21
+
+ WHY A STEEL PLOW 23
+
+ RECONSTRUCTIONS 24
+
+ IN SUMMARY-- 25
+
+
+
+
+_By Edward C. Kendall_
+
+JOHN DEERE'S STEEL PLOW
+
+
+ _John Deere in 1837 invented a plow that could be used
+ successfully in the sticky, root-filled soil of the prairie.
+ It was called a steel plow. Actually, it appears that only the
+ cutting edge, the share, on the first Deere plows was steel.
+ The moldboard was smoothly ground wrought iron._
+
+ _Deere's invention succeeded because, as the durable steel
+ share of the plow cut through the heavy earth, the sticky soil
+ could find no place to cling on its polished surfaces._
+
+Americans moving westward in the beginning of the 19th century soon
+encountered the prairie lands of what we now call the Middle West. The
+dark fertile soils promised great rewards to the farmers settling in
+these regions, but also posed certain problems. First was the breaking
+of the tough prairie sod. The naturalist John Muir describes the
+conditions facing prairie farmers when he was a boy in the early 1850's
+as he tells of the use of the big prairie-breaking plows in the
+following words:[1]
+
+ They were used only for the first ploughing, in breaking up
+ the wild sod woven into a tough mass, chiefly by the cord-like
+ roots of perennial grasses, reinforced by the tap roots of oak
+ and hickory bushes, called "grubs," some of which were more
+ than a century old and four or five inches in diameter.... If
+ in good trim, the plough cut through and turned over these
+ grubs as if the century-old wood were soft like the flesh of
+ carrots and turnips; but if not in good trim the grubs
+ promptly tossed the plough out of the ground.
+
+The second and greater problem was that the richer lands of the prairie
+bottoms, after a few years of continuous cultivation, became so sticky
+that they clogged the moldboards of the plows. Clogging was such a
+factor in prairie plowing that farmers in these regions carried a wooden
+paddle solely for cleaning off the moldboard, a task which had to be
+repeated so frequently that it seriously interfered with plowing
+efficiency. It seems probable that by the 1830's blacksmiths in the
+prairie country were beginning to solve the problem of continuous
+cultivation of sticky prairie soil by nailing strips of saw steel to the
+face of wooden moldboard of the traditional plows. Figure 1 is a
+photograph of an 18th century New England plow in the collection of the
+U. S. National Museum. This is one type of plow which was brought west
+by the settlers. It contributed to the development of the prairie
+breaker shown in figure 2. The first plow on record with strips of steel
+on the moldboard is attributed to John Lane in Chicago in 1833.[2] Steel
+presented a smoother surface which shed the sticky loam better than the
+conventional wooden moldboards covered with wrought iron, or the cast
+iron moldboards of the newer factory-made plows then coming into use.
+
+It is generally accepted as historical fact that John Deere made his
+first steel plow in 1837 at Grand Detour, Illinois. The details of the
+construction of this plow have been variously given by different
+writers. Ardrey[3] and Davidson[4] describe Deere's original plow as
+having a wooden moldboard covered with strips of steel cut from a saw,
+in the manner of the John Lane plow.
+
+[Sidebar: THE AUTHOR:
+
+_Edward C. Kendall is curator of agriculture, Museum of History and
+Technology, in the Smithsonian Institution's United States National
+Museum._]
+
+In recent years the 1837 Deere plow has been pictured quite differently.
+This has apparently come about as the result of the discovery of an old
+plow identified as one made by John Deere at Grand Detour in 1838 and
+sold to Joseph Brierton from whose farm it was obtained in 1901 by the
+maker's son, Charles H. Deere. He brought it to the office of Deere &
+Company at Moline, Illinois, for preservation and display. This plow is
+shown in figures 7 and 9. In 1938 Deere & Company presented it to the U.
+S. National Museum, where it is on display. It can be seen that the
+moldboard is made of one curved diamond-shaped metal slab. This plow
+bottom conforms to the description of the "diamond" plows manufactured
+by Deere in the 1840's.[5] The Company states that according to its
+records, this was one of three plows made by Deere in 1838 and that it
+was probably substantially identical with the first one made in 1837.[6]
+It may be difficult to prove that the Museum's specimen was made in
+1838, but a comparison of this plow (fig. 7) with the 1847 moldboard
+(fig. 5) and the 1855 plow (fig. 6) suggests that the Museum's plow is
+the earliest of the three, since there is particularly evident an
+evolution of the shape of the moldboard from a simple, almost crude form
+to a more sophisticated shape.
+
+[Illustration: Figure 1.--NEW ENGLAND STRONG PLOW, MID-18TH CENTURY.
+Colter locked into heavy, broad share; wooden moldboard covered with
+iron strips. (_Cat. no. F1091_; _Smithsonian photo 13214_.)]
+
+
+DEERE AND ANDRUS
+
+Writers of the 20th century describing the making of the first John
+Deere steel plow have in mind the 1838 plow. One[7] has John Deere
+pondering the local plowing problem and getting an idea from the
+polished surface of a broken steel mill saw. Another[8] claims that
+Leonard Andrus, the founder and leading figure of Grand Detour and part
+owner of the sawmill, conceived the design of the plow and employed
+Deere, the blacksmith newly arrived from Vermont, to build it. This idea
+may have originated with and was certainly promoted by the late Fred A.
+Wirt, as advertising manager of the J. I. Case Company. It is difficult,
+at this distance, to determine the parts played at the beginning by
+Deere and Andrus.
+
+[Illustration: Figure 2.--LARGE PRAIRIE-BREAKING PLOW, MID-19TH CENTURY.
+Wheels underneath the beam regulate the depth of plowing; large wheel
+runs in the furrow, small wheel on the land. The colter is braced at the
+bottom as well as at the top. The share cuts a broad, shallow strip of
+sod which the long, gently curving moldboard turns over unbroken.]
+
+The earliest existing partnership agreement involving Andrus and Deere
+is dated March 20, 1843.[9] The existing copy is unsigned, but its
+conditions are the same as those in the agreements executed during the
+next few years. It began by stating that Deere and Andrus had agreed "to
+become copartners together in the art and trade of Blacksmithing,
+ploughmaking and all things thereto belonging at the said Grand Detour,
+and all other business that the said parties may hereafter deem
+necessary for their mutual interest and benefit ..." One of the terms
+was that the copartnership should continue from the date of the
+agreement "under the name and firm of Leonard Andrus."
+
+A second agreement dated October 26, 1844,[10] which brought in a third
+partner, Horace Paine, described the business as "the art and trade of
+Blacksmithing Plough Making Iron Castings and all things thereto
+belonging ..." and stated that the copartnership should be conducted
+"under the name and firm of L. Andrus and Co." The third agreement,
+dated October 20, 1846, in which another man appeared in place of Paine,
+gave the name of the firm as Andrus, Deere, and Lathrop.[11] This
+carried an addendum dated June 22, 1847, in which Andrus and Deere
+bought out Lathrop's interest in the business and agreed to continue
+under the name of Andrus and Deere. This is the only mention of the firm
+of Andrus and Deere. It could only have lasted a few months because it
+was in 1847 that Deere moved to Moline and established his plow factory
+there.
+
+[Illustration: Figure 3.--RECONSTRUCTIONS OF JOHN DEERE'S 1837 PLOW. For
+a discussion of the position and attachment of the handles see p. 24.
+(_Deere & Company photo_.)]
+
+These agreements suggest that Leonard Andrus was the capitalist of the
+young community of Grand Detour, as well as its founder. The dominance
+of the name Andrus tends to back up the opinion which holds that Andrus
+was the leading figure in the development of the successful prairie
+plow. On the other hand, the general tone of the agreements suggests
+that two or more people were participating in an enterprise in which
+each contributed to the business and shared in the results. Deere
+contributed his plow and his blacksmith shop, tools, and outbuildings;
+Andrus contributed money and business experience. There is no indication
+that they were formally associated prior to the agreement of March 20,
+1843. An advertisement (it is quoted later) dated February 3, 1843, and
+appearing in the March 10, 1843, issue of the _Rock River Register_,
+carries an announcement by John Deere that he is ready to fill orders
+for plows, which he then describes. There is no mention of Andrus or of
+an Andrus and Deere firm. I am inclined by the evidence to the view that
+Deere worked out his plow by himself, began to manufacture it in small
+numbers, needed money to enlarge and expand his operations, and went to
+the logical source of capital in the community, Leonard Andrus.
+
+In support of this view I quote a statement by Mr. Burton F. Peek[12]
+who has spent most of his life in Deere & Company and who may now be the
+only person living who knew John Deere:
+
+ Andrus removed to Grand de Tour from some place in New York
+ [Rochester, though originally from Vermont]. Some years later
+ John Deere came along from Rutland, Vermont leaving his family
+ behind him. Whether Deere ever heard of Andrus or Andrus of
+ Deere no one knows.
+
+ Having decided to remain in Grand de Tour, Deere sent for his
+ family asking my paternal grandfather, William Peek, to bring
+ them and also the Peek family out to Grand de Tour. This was
+ done via covered wagon the journey occupying some six weeks.
+ My father, Henry C. Peek, was then an infant age six weeks and
+ Charles Deere, the son of John, an infant of about the same
+ age. Of course these infants came along sleeping in the feed
+ box of the wagon. My grandfather "took up land" adjacent to
+ Grand de Tour and John Deere continued in the manufacturing
+ business.
+
+ Incidentally, John Deere and William Peek were brothers-in-law
+ having married sisters and what I have said, and much more
+ that I might say to you, is based upon what I have been told
+ by my grandfather, by John Deere and by others who had a part
+ in the early history of the company. So far as I know, I am
+ the only living person who ever knew or saw John Deere....
+
+ ... I joined the Deere Company on October 1, 1888, at the age
+ of 16 and retired on the 28th of April, 1956--nearly 68 years.
+ C. H. Deere was my great friend and benefactor. I was educated
+ at his expense as a lawyer and practiced for thirteen years.
+ During this time I was his personal attorney, I drew his will,
+ was made trustee thereunder, and probably was more intimate
+ with him than any living person. I have seen and read the
+ manuscript of an early history of the company which he wrote,
+ but never published and there was nothing in it to indicate
+ that Andrus had any part in the manufacture of the first
+ successful steel plow and it is my firm belief that he had no
+ part other than perhaps a friendly interest in it.
+
+
+THE FIRST PLOW
+
+Most writers describe Deere cutting a diamond-shaped piece out of a
+broken steel mill saw. There is usually no further identification of the
+type of saw beyond the statement that it came from the Andrus sawmill.
+Neil Clark, author of a brief biography of John Deere, states that the
+diamond-shaped piece was cut out of a circular saw.[13] There is no
+evidence given to support this. There are some powerful arguments
+against it. The circular saw, especially of the larger size, was
+probably not very common in America in the 1830's. Although an English
+patent for a circular saw was issued in 1777 the first circular saw in
+America is attributed to Benjamin Cummins of Bentonsville, New York,
+about 1814.[14]
+
+[Illustration: Figure 4.--HOW DEERE PROBABLY CUT AND BENT THE FLAT PLATE
+of his 1838 plow to form the moldboard and landside. Because of the
+shape of the moldboard it became known as the diamond plow.]
+
+[Illustration: Figure 5.--MOLDBOARD OF 1847 JOHN DEERE PLOW, showing how
+the diamond shape of the original design has been slightly modified.
+(_Deere & Company photo 57192-D_.)]
+
+In a small, new, pioneering community it seems unlikely that the local
+sawmill would have been equipped with the newer circular saw rather than
+the familiar up and down saw which remained in use throughout the 19th
+century and, in places, well into the 20th century. The up and down saw
+was a broad strip of iron or steel with large teeth in one edge. Driven
+by water power it slowly cut large logs into boards. It is doubtful that
+the circular saws of that period were large enough for this kind of mill
+work. The second argument is the shape of the moldboard itself. The
+photograph of the 1838 plow in figure 7 shows that the shape of the
+moldboard is unconventional. It is essentially a parallelogram curved to
+present a concave surface to the furrow slice and thus to make a simple,
+small but workable plow. A parallelogram or diamond would be an easy
+shape to cut out of a mill saw with the teeth removed. The moldboard on
+the 1838 plow is from .228 to .238 inches thick and its width is 12
+inches. These dimensions approximate those given in an 1897 Disston
+catalog[15] which describes mulay saws, a type of mill saw, from 10 to
+12 inches wide and from 4 to 9 gauge. Gauge number 4 is the thickest and
+is .238 inches.
+
+Examination of the 1838 plow suggests that Deere cut the moldboard and
+landside as one piece, which was then heated and bent to the desired
+form. The pattern of this piece is shown in figure 4. Some additional
+metal appears to be forged into the sharp bend at the junction of the
+moldboard and the landside apparently to strengthen this part, which may
+have begun to open during the bending. If, however, Deere had used a
+large circular saw with plenty of room for cutting out a moldboard of
+the usual shape and size, it seems likely that he would have made a plow
+of more conventional appearance. In any event his moldboard of one
+jointless piece of polished metal would scour better than one of wood
+covered with strips of steel since the nailheads and the joints between
+the strips would provide places for the earth to stick.
+
+[Illustration: Figure 6.--THE SHAPE OF THE MOLDBOARD continued to
+evolve, as illustrated by this 1855 John Deere plow. (_Deere & Company
+photo 57192-A_.)]
+
+A very great majority of writers describing John Deere and his plow
+attribute his fame to his development of a successful steel plow which
+made cultivation of rich prairie soil practical. The emphasis is always
+on the development of a steel moldboard and the assumption is that from
+the 1837 plow onward stretched an unbroken line of steel moldboard
+plows. An advertisement for John Deere plows in the March 10, 1843,
+issue of the _Rock River Register_, published weekly in Grand Detour,
+Illinois, gives a detailed description, here presented in full:
+
+ John Deere respectfully informs his friends and customers, the
+ agricultural community, of this and adjoining counties, and
+ dealers in Ploughs, that he is now prepared to fill orders for
+ the same on presentation.
+
+ The Moldboard of this well, and so favorably known PLOUGH, is
+ made of wrought iron, and the share of steel, 5/16 of an inch
+ thick, which carries a fine sharp edge. The whole face of the
+ moldboard and share is ground smooth, so that it scours
+ perfectly bright in any soil, and will not choke in the
+ foulest of ground. It will do more work in a day, and do it
+ much better and with less labor, to both team and holder, than
+ the ordinary ploughs that do not scour, and in consequence of
+ the ground being better prepared, the agriculturalist obtains
+ a much heavier crop.
+
+ The price of Ploughs, in consequence of hard times, will be
+ reduced from last year's prices. Grand Detour, Feb. 3, 1843.
+
+This raised two questions: Why, and for how long, was wrought iron used
+for the moldboards of the Deere plows? Of what material is the moldboard
+of the 1838 plow made? During the first few years, when production was
+very small, there were probably enough worn out mill saws available for
+the relatively few plows made. As production increased this source must
+have become inadequate. Ardrey gives the following figures for the
+production of plows by Deere and Andrus:[16] 1839, 10 plows; 1840, 40
+plows; 1841, 75 plows; 1842, 100 plows; 1843, 400 plows. Ardrey states
+further that "by this time the difficulty of obtaining steel in the
+quantity and quality needed had become a serious obstacle in the way of
+further development." The statement, quoted above, that the moldboard
+was of wrought iron and the statistics on production of plows during the
+1840's and 1850's belie Ardrey's claim that it was a serious obstacle,
+nor is there any suggestion in the advertisement that wrought iron was
+being substituted for steel.
+
+In 1847 John Deere amicably severed relations with the firm of Andrus &
+Deere and moved to Moline, Illinois, to continue plow manufacturing in a
+site that had better transportation facilities than Grand Detour. The
+new firm produced 700 plows in the first year, 1600 in 1850, and 10,000
+in 1857.[17] Swank[18] states that the first slab of cast plow steel
+ever rolled in the United States was in 1846 and that it was shipped to
+John Deere of Moline, Illinois. A little later he says that it was not
+until the early 1860's in this country that several firms succeeded in
+making high grade crucible cast steel of uniform quality as a regular
+product.
+
+[Illustration: Figure 7.--JOHN DEERE'S 1838 PLOW, RIGHT SIDE, showing
+large iron staple used to fasten end of right handle to the standard.
+Note remains of wooden pin near rear end of plow beam. (_Cat. no.
+F1111_; _Smithsonian photo 42639-A_.)]
+
+Based on a visit to Deere's factory in 1857 the _Country Gentleman_[19]
+gave the yearly output as 13,400 plows. It pictured four of seven models
+and stated, "these are all made of cast steel, and perfectly polished
+before they are sent out, and are kept bright by use, so that no soil
+adheres to them." The article then gives the tonnages of iron and steel
+used by the Deere factory in a year. They are as follows: 50 tons cast
+steel, 40 tons German steel, 100 tons Pittsburgh steel, 75 tons
+castings, 200 tons wrought iron, 8 tons malleable castings in clevises,
+etc. In addition 100,000 plow bolts and 200,000 feet of oak plank were
+used.
+
+These figures do not indicate what the different parts of the plows were
+made of but, if approximately correct, they do show that more than half
+the metal used was iron rather than steel. Steel accounts for 190 tons;
+wrought iron for 200. Although it is conceivable, under this weight
+distribution, that the shares and moldboards were made of steel while
+the landsides and standards were made of wrought iron, other
+distributions are also possible, and it is quite conceivable that at
+this period some of the plows had steel moldboards while others had
+wrought-iron ones. An analysis of the metal in different parts of an
+1855 John Deere plow, now at the factory in Moline, may shed some light
+on this, but from these figures and dates it seems likely that most of
+John Deere's plows during the 1840's and 1850's had wrought-iron
+moldboards with steel shares. (It should be borne in mind that the
+poorer grades of steel available at this time were probably no more
+satisfactory than cast iron as far as scouring clean in sticky soil was
+concerned.)
+
+[Illustration: Figure 8.--RECONSTRUCTION OF DEERE'S 1838 PLOW, right
+side, with handles shown in what is believed to be their original
+position. (_Smithsonian photo 42647_.)]
+
+The question of the material in the moldboard of the 1838 plow was
+answered when a spark-test analysis was made of the metal in the
+moldboard and share. In this test the color, shape, and pattern of the
+spark bursts produced by a high-speed grinding wheel indicate the type
+of iron or steel. Several spots along the edges and back surface of the
+moldboard were tested. No carbon bursts were seen in the spark
+patterns, indicating that the material was wrought iron. The share
+consists of a piece, wedge shaped in cross section, welded on to the
+lower, or front, edge of the moldboard. This was tested at several spots
+along its sharp edge, all of which gave a pattern and color indicating
+that the material was medium high carbon steel. This test was
+corroborated by a chemical analysis of filings from the moldboard and
+share in a metallurgical laboratory. A small trace of carbon was found
+in the moldboard. It may be present as the result of contamination from
+several sources, a likely one being the charcoal fire in the forge when
+it was heated for bending and shaping.[20]
+
+These tests agree perfectly with the description in the 1843
+advertisement. It seems, therefore, that Deere's success in making plows
+that worked well in prairie bottom lands depended as much on the smooth
+surface he produced by grinding and polishing as on the material used.
+
+The filing of the edge of the moldboard for the metallurgical test
+disclosed that the wrought-iron slab consisted of five thin laminations
+apparently forged together but with separations visible. The length and
+regularity of the lines of separation seem to preclude their being
+striations resulting from the fibrous structure of wrought iron. This
+calls into question the theory that the moldboard and landside were cut
+from a mill saw, since it hardly seems likely that a saw would be made
+of laminated material. The possibility exists that the body of the mill
+saw might have been made this way, with a tooth-bearing steel edge
+welded on, but there seems little reason for making a saw out of thin
+laminations. It is also possible that this laminated iron originally had
+been intended for some other purpose, such as boiler plate, and may have
+been available in rectangular pieces. In making the 1838 plow Deere
+followed a pattern (fig. 4), which suggests that he cut it out of such a
+piece.
+
+[Illustration: Figure 9.--JOHN DEERE'S 1838 PLOW, LEFT SIDE, showing
+details of construction and relationship of landside to moldboard.
+(_Cat. no. F1111_; _Smithsonian photo 42639_.)]
+
+Since the moldboard of the 1838 plow is of wrought iron, and since this
+plow is thought to be essentially identical with the first one Deere
+made in 1837, it is highly probable that the 1837 plow also had a
+wrought-iron moldboard, a condition which appears to have been the basic
+pattern for John Deere plows until the middle 1850's.
+
+
+WHY A "STEEL" PLOW
+
+In view of the facts and the probabilities based on them, how is the
+legend of the John Deere steel plow to be explained? There are several
+likely reasons. It is possible that the first plow, in 1837, was made
+from a broken steel mill saw. It is also possible that within a few
+years puddled iron came to be used for the moldboards because of the
+scarcity of suitable steel, either in the form of broken mill saws or as
+plates ordered from foundries in America (the high price of steel
+imported from England made this an impractical source). However, it
+seems more likely that it became known as a steel plow owing to the
+importance Deere attached to his plows having steel shares, as shown in
+his advertisement in 1843. A steel share, tougher than cast iron, would
+hold an edge much better than wrought iron, and John Muir's description
+of prairie plowing, quoted earlier, substantiates the importance of a
+tough, sharp share.
+
+Deere's plows, probably distinctive by reason of their steel shares, may
+have been called "steel" plows, in the regions where they were used, to
+distinguish them from the standard wooden plows and from the newer
+cast-iron implements. The term "wooden plow" has a similar history. For
+well over 2000 years in Europe some plows have been made with iron
+shares and the rest of the structure wood. Plows in 18th-century America
+were made principally of wood with iron shares, colters, and clevises,
+and with strips of iron frequently covering the wooden moldboard. These
+implements were called, simply, plows of various regional types. Not
+until the development and spread of the factory-made plows with
+cast-iron moldboards, landsides, and standards did the term "wooden
+plow" come into use to differentiate all these plows from the newer
+ones. Subsequently writers have been led to assume that "wooden plow"
+meant a plow with no iron parts and consequently to make unwarranted
+statements about the primitiveness of the 18th-century implements.
+
+A second reason for use of the term "steel plow" may have developed from
+the supposition that the moldboards of the first John Deere plows were
+made of diamond-shaped sections cut from old mill saws, which later
+writers seem to have assumed were made of steel. (It is probable that
+from the late 1850's on Deere plows had steel moldboards.) However, mill
+saws of the early 19th century were not necessarily made of steel, which
+was then relatively expensive. I have been told of an old mill saw made
+of wrought iron on which was welded a steel edge that carried the
+teeth.[21] Rees' _Cyclopaedia_[22] describes saws as being made of
+either wrought iron or steel, the latter being preferable. Therefore, it
+seems most likely that Deere's plows, from his first until the middle
+1850's were made with highly polished wrought-iron moldboards and steel
+shares.
+
+
+RECONSTRUCTIONS
+
+The remains of the 1838 plow are shown in figures 7 and 9. One's
+curiosity is aroused as to what the plow looked like in its original
+state, complete with handles. Several full-scale 3-dimensional
+reconstructions and a number of sketches of the 1837 plow have been
+made. The reconstructions all must have been based on the remains of the
+1838 plow, since they resemble it closely and it is the only surviving
+plow of this type known.
+
+Recently I received a photograph (fig. 3, right) of a plow which has
+been boxed and in storage for many years at Deere & Company which may be
+an early Deere plow. As it appears in the photograph, the plow looks
+unconvincing. The handles are fastened by bolts and nuts, a manner
+uncommon in American plow making in the early 19th century. The shape of
+the handles is that of stock handles available for small plows and
+cultivators in such a catalog as Belknap's. The plow seems very high and
+weakly braced. There is no logical reason for curving the end of the
+beam down and cutting it off at a slant if the handles are attached in
+the manner shown. The edges of the tenon on the upper end of the
+standard where it goes through the mortise in the beam have been neatly
+beveled in a manner I have never seen before on any other plow. All of
+this leads me to think that this is an early reconstruction based on the
+remains of the 1838 plow which it only roughly approximates in
+proportion and design.
+
+Another of these reconstructions is shown in figure 3, left. Although
+superficially like the 1838 plow it varies considerably in its
+proportions, in the angular relations of its parts, and in other details
+such as the use of iron bolts and nuts in place of wooden pins. All
+these reconstructions agree in one thing. They show a plow with handles
+fastened to both sides of the plow beam and standard.
+
+During an examination of the 1838 plow it occurred to me that there was
+no indication of an attachment of a handle on the landside in the same
+manner as on the furrow side. The position and attachment of the handle
+in figure 7 is clearly indicated by the remains of a wooden pin in the
+side of the plow beam near the rear end and by the large iron staple, in
+the side of the standard, which must have held the tapered lower end of
+the handle. Figure 8 is a sketch showing this handle in position. The
+landside view of this plow in figure 9 shows that the pin did not extend
+through the beam nor are there marks on the standard to indicate the
+position of a staple like that on the furrow side. The four holes
+approximately in line on the standard and beam show where a piece of
+sheet metal had been nailed to hold the beam and standard in about the
+right position. The outline of the sheet metal can be seen on the side
+of the beam. This was removed at the time this examination was made.
+
+How was the landside handle attached? W. E. Bridges of the National
+Museum suggests that it might have been attached to the lower side of
+the standard and the rear end of the plow beam. This seems, beyond
+doubt, to be correct. The wood has deteriorated considerably over the
+years and the joints are loose, but, within the limits of the existing
+structure, the plow beam can easily be set in such a position that its
+sloping rear end lines up with the slope of the underside of the
+standard. Furthermore, a long bolt runs from the upper part of the
+moldboard through the standard and projects quite far beyond its lower
+surface, as can be seen in figure 7. The end of the bolt is threaded
+only part way and it has been necessary to put a cylindrical metal
+spacer on it in order to draw up the nut snugly. This long bolt must
+originally have passed through the lower end of the handle, which, in
+turn, was fastened to the end of the plow beam by a tenon on the end of
+the beam, now broken off, passing through a mortise in the handle. This
+was the common method of fastening the handle to the beam. The square
+hole in the plow's iron landside (fig. 7), which at first might seem
+meant for another bolt passing through the lower end of the handle at
+right angles to the long bolt, seems too close to the other bolt and to
+the edges of the handle. It may simply be a first try for the bolt
+through the bottom of the standard. In this manner the handle would have
+been strongly attached to the plow frame and, at the same time, would
+have materially helped to make it rigid by forming one side of a
+triangular structure. Figures 8 and 10 show what I believe to be the
+correct reconstruction of the 1838 Deere plow along the lines just
+described and, therefore, the probable appearance of the 1837 plow.
+
+[Illustration: Figure 10.--RECONSTRUCTION OF DEERE'S 1838 PLOW, left
+side, showing how left handle is believed to have been attached.
+(_Smithsonian photo 42637_.)]
+
+It should also be noted that it was general practice in making fixed
+moldboard plows to have the plow beam, standard, handle, and landside
+(or sharebeam, on the old plows) in the same plane. Symmetrical handles
+branching from both sides of the beam are found on cultivators, shovel
+plows, middle busters, and sidehill plows where the moldboard is turned
+alternately to each side.
+
+
+IN SUMMARY--
+
+The existing evidence, I believe, indicates that:
+
+1. The successful prairie plow with a smooth one-piece moldboard and
+steel share was basically Deere's idea.
+
+2. The moldboards of practically all of his plows, from 1837 and for
+about 15 years, were made of wrought iron rather than steel.
+
+3. The success of his plows in the prairie soils depended on a steel
+share which held a sharp edge and a highly polished moldboard to which
+the sticky soils could not cling.
+
+4. The importance attached to the steel share led to the plows being
+identified as steel plows.
+
+5. The correct reconstruction of the 1838 plow, and, by inference, the
+1837 plow, is shown in figures 8 and 10, previous reconstructions being
+wrong primarily in the position and attachment of the handles.
+
+6. The Museum's John Deere plow (Cat. No. F1111), shown in figures 7 and
+9, is a very early specimen, on the basis of a comparison of it with
+Deere moldboards of 1847 and 1855 and its conformity to Deere's
+description of his plows in an 1843 advertisement; and the 1838 date
+associated with it is plausible.
+
+
+
+
+FOOTNOTES:
+
+[1] John Muir (1838-1914), _The story of my boyhood and youth_, Boston,
+1913, pp. 227, 228.
+
+[2] R. L. Ardrey, _American agricultural implements_, Chicago, 1894, p.
+14.
+
+[3] _Ibid._, p. 16.
+
+[4] J. B. Davidson, "Tillage machinery," in L. H. Bailey's _Cyclopedia
+of American agriculture_, New York, 1907, vol. 1, p. 389.
+
+[5] Leo Rogin, _The introduction of farm machinery in its relation to
+the productivity of labor in the agriculture of the United States during
+the nineteenth century_, Berkeley, 1931, p. 33.
+
+[6] U. S. National Museum records under accession 148904.
+
+[7] Neil M. Clark, _John Deere_, Moline, 1937, pp. 34, 35.
+
+[8] Stewart H. Holbrook, _Machines of plenty_, New York, 1955, pp. 178,
+179. To an inquiry by this author, Mr. Holbrook replied that most if not
+all of the material about Andrus came from the files of the J. I. Case
+Company.
+
+[9] Photographic copies of partnership agreements between Andrus, Deere,
+and others are in U. S. National Museum records under accession 148904.
+
+[10] _Ibid._
+
+[11] _Ibid._
+
+[12] Letter from Burton F. Peek to M. L. Putnam, December 18, 1957, in
+U. S. National Museum records under accession 148904.
+
+[13] Clark, _op. cit._ (footnote 7), p. 34.
+
+[14] E. H. Knight, _American mechanical dictionary_, Boston, 1884, vol.
+3, p. 2033.
+
+[15] Henry Disston & Sons, _Price list_, Philadelphia, 1897, p. 28.
+
+[16] Ardrey, _op. cit._ (footnote 2), p. 166.
+
+[17] _Ibid._, p. 166.
+
+[18] James M. Swank, _History of the manufacture of iron in all
+ages_..., Philadelphia, 1892, pp. 390, 393.
+
+[19] _Country Gentleman_, 1857, vol. 10, p. 129.
+
+[20] Reports on spark test by E. A. Battison, U. S. National Museum, and
+on metallurgical investigation by A. H. Valentine, Metallographic
+Laboratory of the Bethlehem Steel Company's Sparrows Point Plant.
+
+[21] For this information I am indebted to Mr. E. A. Battison of the U.
+S. National Museum staff.
+
+[22] Abraham Rees, _The cyclopaedia; or universal dictionary of arts,
+sciences, and literature_, Philadelphia, 1810-1842, vol. 33, under saw.
+
+
+
+
+
+End of Project Gutenberg's John Deere's Steel Plow, by Edward C. Kendall
+
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