Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 12
z., aslight change in the mode of driving has enabled us to run them at a higherspeed, and a ifovel oil-feeding device supplies the oil to the back of the dies,whence flowing out, it thoroughly lubricates the cutters and the bolt end, andwashes out the chips as they are cut from the bolt. A… … BOIvT AND NUT-SCREWING MACHINE. With improved die box ; dies adjustable to compensate for wear; automaticopening device adjustable to suit length of thread required ; self-acting oil feederfor taps and dies; complete with countershaft, wrenches, oil pump and circulatingpipes, with eight sets of…
Machine-tools · Machinery
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