Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 268
mple and acces-sible, efficient, and strong ; and for our clutches and the method of operatingthem, that we are able to put any motion into action without shock, to stop andstart the load without risk of injury to it, and to make small movements withease and certainty. We have drawings and patterns… … 30-TON STEAM JIB-CRANE. In Foundry op the J. Morton Poole Co., Wilmington, Del. Height of post, 26 ft.; effective radius of hook. 23 ft. All movements bypower. Driven by independent 8 by 8 engines, bolted to frame carrying ma-chinery, receiving steam through upper pintle and discharging exhaust…
Machine-tools · Machinery
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