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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 265

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 265
996. ROTARY MOTION, from reciprocatingmotion of two racks alternately meshing with agear wheel. Racks are pinioned at <7, a. Thecurved slots b, b guide the racks out and intogear. The bell-crank lever c and spring d serveto disengage the rack at the end of the up-stroke. 254 MOTION AND DEVICES… … 997. INTERMITTENT CIRCULARMOTION, from a vibrating arm and pawl actingupon a ratchet wheel. 998. INTERMITTENT ROTARY MOTION of a ratchet wheel by lever and hook pawls.B, vibrating lever.A, ratchet wheel.

Mechanical movements

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