Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 264
a chain drum is substitutedfor the wire rope drum, and the automatic brake and stop-motion are omitted, asuitable hand-lever being provided for operating the clutches. Tliis machine isadmirably adapted for the purpose, as it can be controlled with the utmostnicety, so that the hoist may be stopped… … <#: 5000 LB. SPUR GEARED HOISTING MACHINE. WITH Patent Frictional Retaining Clutch. 36 drum, turned and grooved for i wire rope. PullejS 24 diameter,5}4 face. Should make 250 revolutions per minute, to hoist at a rate of 62 feet. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Plate No.…
Machine-tools · Machinery
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