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
ned screw and hydraulic press. The screw is worked down by hand until the pressure becomes too great for hand power,when the pressing is finished by the hydraulic ram. 1188. Revolving dies. 1189. The Boomer double-screw toggle press, with increasing pressure as the press follower descends. 1190.… … 1175 1178.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
