The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 151
1180 1181 … 146 THE ENGINEERS SKETCH-BOOK, 1192. Press dies, with sliding plate for discharging. 1193. Screw and toggle press; a modification of No. 1189. 1194. Double ram hydraulic press for two pressures ; the small ram is employed to give the first pressure, the large ram then finishesthe pressing. See also…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.