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 234
865. BICYCLE GEAR.—Transmission by fore and aft shaft with pin-tooth gearing. Sagar model. 866. Pin-tooth wheel andpinion. 867. BICYCLE CRANK.—A devicefor shortening the up-crank stroke. Theeccentrics are fixed to the frame. Thecranks and eccentric straps revolve onball bearings, carrying by link… … 869. SWINGING BALL-BEARINGBICYCLE FEDAL.-^Carries the feet closeto the ground. 224 NAVIGATION AND ROADS.
Mechanical movements
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