Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 296
a squareshaft carried in our patent bearings. After many years of successful service asingle electric motor was attached to the crane and the square shaft removed. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 2gi Plate No. 240. … 20-TON TRAVEI.LING CRANE-kor use over a Riveting Machine. Hoist operated by electric motor controlled at the riveter Cross itid lo,io-ihot:} %^-^ by band chains worked from the floor. \U hi,h Ht for^^;boi ers. Span about 20 ft. Load carried bv six parts of steel tvire rope antomatic electric and…
Machine-tools · Machinery
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