Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 131
Twist drill. 94 FORM—LATHES Joshua Rose, in determining the proper shape of a cutting tool,for use in a lathe or a planer, is where it shall have the rake, or … How a tool cuts metal.Beginning a second cut. inclination, to make it keen enough to cut well, and yet be asstrong as possible; this is governed, in a large degree, by thenature of the work. In giving form to wood and metal cheaply and rapidly, ma-chine-tools have within recent years risen to great…
Inventions · Inventors
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
