Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 128
vantage of being able to grind a chasing-tool which will makea female thread having absolutely the same shape and angles as its male matewhich has been produced by a tool ground in the same manner, needs nocomment. The only shapes of cutting-edges which cannot be ground on thes machinesare concave… … No. 1 UNIVERSAI, TOOL-GRIXDIXu MACHINE.For tools with shanks not over 2^4 by 2. Cotnplete with countershaft,wrenches and the following attachments : Rotary pump and jointed pipe system ;chuck for circular and curved tools ; a holder for grinding bases of tools ; a chnckfor grinding a bent tool un…
Machine-tools · Machinery
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