Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 270
of the loaded crane and its suddenstoppage, while the omission of the separate strut permits work to be moved muchnearer to the axis of rotation than is possible with the old form of construction. Jib-cranes may be supported on the top by bearings attached to the roof-girders or by struts from… … 5-TON STEAM PILLAR JIB-CRANE. Carried upon riveted steel pillar, bolted to foundation, driven by indepen-dent steam engine, and receiving steam from stationary boiler through top pintlebearing. Post of crane protected by cylindrical guard. Operating platform ele-vated. Maximum height of hook, 25…
Machine-tools · Machinery
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