Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 301
50-TON TRAVELLING CRANE.—Sikgle Motor Type. Shows end of bridge with motor and operating machinery in place. Poweris transmitted to the trolley by square shafts supported in our patent tumblerbearings, steel tired bridge wheels are 37 diameter. Hanging cage for operatornot shown. Plate No. 246.
Machine-tools · Machinery
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