Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 334
Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 329 Plate No. 263. … VERTICAL SHAFT.—With Step and Driving Pulleys. This plate shows the method of conveying power from a horizontal to avertical shaft by means of a belt, and one carrier so adjusted as to distribute thepulling strain through the entire width of the belt. In this way power may bedistributed through…
Machine-tools · Machinery
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