Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 16
erating de-vice ; automatic die-opening device, adjustable to suit length of thread required ;self-acting oil feeders for taps and dies ; complete with countershaft, wrenches,oil pump, circulating pipes and eight sets of taps, tap-holders and dies for boltsand nuts from J4 to i^i; Fast and loose… … BOIvT AND NUT-SCREWING MACHINE. With improved die box ; dies adjustable to compensate for wear ; auto-matic die-opening attachment, adjustable to length of thread required; self-actingoil feeder for taps and dies ; complete with countershaft, wrenches, oil pumps,circulating pipes, and eight sets of…
Machine-tools · Machinery
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