Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 134
IT ~T - i £ 1 1 i f-b -s- — • Bl / LJ-v. i^ ■yt ^^SV-v^ ^^^i whereby the metal, in passing between them, is made to assume a gradually increasing thickness, eitherin a wedge, conical, or other form, according to the shape of the grooves cut in the rollers. My invention consists in the adaptation to…
Mechanical engineering · Mechanics · Engineering
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