Methods of machine shop work : for apprentices and students in technical and trade schools (1914)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York : McGraw-Hill · leaf 236
fi< 226 METHODS OF MACHINE SHOP WORK the Cincinnati Milling Machine Company, Fig. 213. Themachine shown has two milling heads for simultaneous opera-tions on both sides of the work, although single-head machinesare also made. The distinguishing characteristic of themachine is the provision of an…
Machine-shop practice
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
