Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 317
00 lbs. of levers andplatforms, and deflect scale needle. No reduction of sensitiveness when fullyloaded. 312 Wm. Sellers & Co., Incorporated, Philadelphia, Pa. putting them on or taking them oflf, without handling, is peculiar to the Emery-system. Suspended from this lever, E, at suitable… … These bars are provided on their inner faces with short projecting brackets,V, having a horizontal surface and a bevelled surface corresponding with similarsurfaces formed on the weights h, which are short cylinders or rings with bevellededges ; the weights are carried by the flat surfaces and…
Machine-tools · Machinery
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