Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 272
bevels with the operating mechanismat its lower end, and provided at its upper end either with bevel wheels operatedby horizontal countershaft, or with a pulley driven directly from the line.When driven by independent engines, they are secured to the housings whichcarry the operating clutches ;… … 10-TON ELECTRIC JIB-CRANE. In Foundry of the Baldwin Locomotive Works. With two hoisting speeds. Effective radius of jib, 30 feet. Operated bysingle constant speed motor. Arranged to lower by power or brake, as may berequired. 268 Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Plate No. 220.
Machine-tools · Machinery
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