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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 47

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox, 1914, leaf 47
96. TWO SPEED PULLEYS AND BELTS.—Two pair of tight and loose pulleys on lowershaft, unequal broad tight pulleys on upper shaft.By crossing the belt from one of the pair a quickreturn speed may be obtained. Much used ontapping-machines and planers. (^ … 97. PULLEYS, COMBINED WITH A DIF-FERENTIAL GEAR for two speeds, and stop-beltshown on loose pulley. Middle pulley on lowershaft is fast to shaft, and has a bevel gear fast to itshub. Pulley on the right is loose on shaft and car-ries, transversely, another bevel gear. A third bevelgear runs loose*…

Mechanical movements

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