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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 240

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 240
8S:^. SAWMILL FEED.—By the revolu-tion or rocking of the crank ^, the adjustablebell-crank lever a is vibrated, which gives thehook pawl c the desired motion to turn theratchet wheel and pinion which, meshing inthe log bed-rack, feeds the log to the saw. Therate of feed is adjusted by the screw… … 884. RACK MOTION used for air pumps. The racks are directly connected with the pis-tons of a single-acting air or other pump, andoperated by a brake lever. 885. AIR-PUMP MOVEMENT.—Two racksconnected directly with the pistons, with guides,are operated by a pinion and lever. 23© GEARING.

Mechanical movements

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