Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 59
142. TATHAMSDYNAMOMETER, for avertical belt. A balanceframe lever, pulleys, anddash-pot. The work of the belt is: Wx^X sA 33,000 = H.P. W — weight on scale.B = length of lever. A = fulcrum to pulleys which should be equal.S = speed of belt in feet per minute.
Mechanical movements
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