Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 350
d management are required in taper tube-rolling. MILL AND FACTORY APPLIANCES. 341 1417. YALE-WESTON DIFFERENTIAL GEAR HOIST. —The hand-chainsprocket shaft runs loosein a sleeve which carriesthe hoist-chain sprocket.A small pinion on theright-hand end of thecentral shaft drives threespur gears…
Mechanical movements
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