Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 286
SECTION THROUGH BRIDGE WITH TROLLEYIN POSITION. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 281 Plate No. 230. … 5-TON TRAVKIvUNG GANTRY CRANE.In Shipyard of the Harlan & Hollingsworth Co., Wilmington, Del. Is mounted on high trestle and spans ship-ways. Distance between rails,51ft. Height of bridge above the ground, 70 ft. Driven by three variablespeed motors. 282 Wm. Sellers & Co., Incorporated,…
Machine-tools · Machinery
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