ady to operate wheel, K. On the end of this sliding piece nearest the spin- with a tool that will make them rapidly and accurately has on the screw. When the revolving head is brought forward, dle, a round head, F, is so arranged as to revolve horizontal- been the aim of the machines engraved in… … to prevent the tools they hold from being injured. Between tinued use it will not bind endwise nor will its expansion hold the mills, cutters, and dies used in making screws. The the spindle and revolving head, and attached to the bed is a lengthwise affect the accuracy of the work done on the ma-…
Combination · Claim · Purpose · Arranged · Constructed · Manner · Patents · Purpose set · Set · Claim constructing · Base plate · Purposes set · Zinc pole · Revolving head · Steel bridges · Head block · Scientific American · Patent granted
Internet Archive · Public domain (published before 1931). Free to use for anything.
