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Water Levels
[Data Table]
This shows that the mean high water is 0.70 above & the mean low water 0.30 below the average stage of the water.
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The tide runs up Delaware Bay from Cape May to Philadelphia in 5 hours- distance 100 miles=20 miles pr hour At this rate there would be but 3 minutes difference between the time of a tide at the harbor at Milwaukee and the Canal-Distance 1 mile.
Water on Weirs Nov 15. 1865
[Data and List of weirs].
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Nov. 15th 1865
Besterchy & Kerns Water wheel is making [1 Rev. in 8 4/10 seconds=7 1/6 revolutions pr minute Velocity=4.398/8.4]= 5.23 feet per second.
Amos Sawyers Wheel [1 Rev. in 12 2/10 seconds=nearly 5 pr minute Velocity=43.98/12.2s]=3.60 ft per second.
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A commission consisting of Genl Quinby & Prof Marsh from Rochester N.Y. gauged the water running to the Mill of Noonan and McNab at Humbold Nov. 16. 1865 Weir 19.25 feet long. Depth of water 11 1/8 inches on the weir. Depth of weir below surface of water 5 1/2 feet above the weir, being above where the water begins to fall. 1.165 feet Velocity 5 1/2 ft above weir bunches below surface measured by a water meter. [calculations]
revolutions of the paddles in one minut each rev. 2.60 feet pr minute
The weir was then lowered so that the water run over it 12 1/8 inches deep, measured on the weir, and 1.1475 feet below water above where surface begins to fall.
The water below the weir was about six inches lower than the water above weir.
Water below the mill in the river 14.20 feet below that above the weir.
