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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 55

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 55
142. TATHAMSDYNAMOMETER, for avertical belt. A balanceframe lever, pulleys, anddash-pot. The work of the belt is: wx-?xs33,000 = 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. … 143. BELL-CRANK DY-NAMOMETER. - Applied tothe power side of a high-speedbelt for driving electric gen.erators. The angles of the>^^fl^ belt over the bell-crank pulleyshould be equal, y =zx. Then after deducting the weight to balancethe pulley and belt when not running from the weight when…

Mechanical movements

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