Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 352
e andmanagement are lequired 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 thecentralshaftdrives threespur gears… … n
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.