Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 288
nery employed in our travel-ling cranes ; these form two distinct types or styles. In the first, the trolley con-tains the hoisting mechanism and drums. In the other, the drum and hoistingmachinery are attached to the bridge at some fixed point, and the chain or wirerope is led around suitable… … 6-TON TRAVELLING CRANE.In Flask Shop, Works of Wm. Sellers & Co., Incorporated. 43 feet span. With hoisting drum fixed at one end of the bridge. Allmovements by electric motors. This is a special crane designed for occasionaluse. No regular attendant is required ; can be operated by any…
Machine-tools · Machinery
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