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
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. … 1211. STEAM HOISTING ENGINE,with flat chain drum and reversing link.The flat chain winds upon itself on anarrow drum. MINING. 301
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.