Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 141
468. UNDERSHOT WATER WHEEL.—Power equals about forty per cent, of the valueof the water-fall flowing under the gate. ^l /? . … 469. SAW-MILL WATER WHEEL and flume, h ^ Ji represents the head of water.The total head in feet multiplied by the weightof water discharged per minute equals the foot-pounds of power. Efficiency about sixty percent.
Mechanical movements
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