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Diffstat (limited to '42128-0.txt')
| -rw-r--r-- | 42128-0.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/42128-0.txt b/42128-0.txt index 3645cfb..eddc195 100644 --- a/42128-0.txt +++ b/42128-0.txt @@ -5920,7 +5920,7 @@ of Assuan, at Philæ, we have an average fall of the river between these two places of a foot in a mile. Between Korusko and Wadi-Halfa there is no rapid. The distance being -20 German, or 96 English miles, and the difference of altitude being +20 German, or 96 English miles, and the difference of altitude being 42½ feet, we have an average fall throughout that part of the river's course of not more than 5·3 inches in a mile. @@ -6109,7 +6109,7 @@ average depth of the Thames in the above distance to be 5 feet, and that it flows with an average velocity of 2 miles in an hour, and if we assume the average depth of the Nile in that part of its course where the fall is 13·12 inches to be 10 feet, when not swollen by the -rise, the velocity would be 2 miles nearly in an hour,[70] if the +rise, the velocity would be 2 miles nearly in an hour,[70] if the fall were equal to that of the Thames. We shall probably come near the truth, by assuming the velocity of the Nile on this part at 2 miles in an hour. That it must be considerably less in the other divisions of |