Publisher's Synopsis
Excerpt from Manual of Power for Machines, Shafts, and Belts: With the History of Cotton Manufacture in the United States
If the dynamometer is put in motion without attaching any machine to the second shaft, the gears revolve around the steelyard without any other resistance than their own friction, and no effect is recorded; but if a belt be carried from the delivering pulley to the pulley on any machine, the resistance caused by such machine tends to act upon the steelyard in such a manner as to give it a motion around its fulcrum.
This steelyard is made of such length that a weight hung at its extremity would describe a circle of 10 feet each revolution, if the steelyard were allowed to rotate on its fulcrum; and consequently the 100 revolutions would move feet.
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