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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 311

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 311
1208. STEAM-DRIVEN VENTI-LATING FAN.—Type of those used inthe coal-mining districts. The fan wheelmay be encased in an iron or wooden shell. 1209. MINERS SAFETY LAMP.—The flame is surrounded with wire gauze and a double wiregauze cap. In explosive mine gases, the firing ofthe incoming air and gas… … 1210. HORSE-POWER HOIST-ING DRUM, double speed. Thespeed is changed by dropping oneor the other driving gear by the le-vers. A release for running back ismade by turning the crank whichdisengages the gear clutch.

Mechanical movements

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