Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 289
ofsquaring the bridge and preventing any accidental derangement of its position,and they give a more positive control of the bridge movement than can be ob-tained by friction of the wheels on the rails. The rails for travelling cranesshould be provided with efficient end-chocks or bumpers, for… … -TON TRAVEIylylNG CRANE.—for Handling Storage Batteries inTHE Power House of the Eletcric Vehicle Co., New York. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 285 Plate No. 233.
Machine-tools · Machinery
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