Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 14
arpening or cutting of the dies is readily done by any mechanic, buteither blank dies or dies finished ready for use can be furnished to those who donot desire to make them. Table of Sizes. Size ofMachine. No. of TapsRange of Cut. and Dies sent with each Size of „ -^ ,Machine. { ^^nge of Cut. No.… … 1 PATENT DUPLEX BOLT AND NUT-SCREWING MACHINE. With improved die box ; dies adjustable for wear ; patent operating device ;automatic die-opening attachment adjustable to length of thread required ; self-acting oil feeders for taps and dies ; heads stopped and started independent!} ;complete with…
Machine-tools · Machinery
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