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 266
br.j/ … Fig. Iriiuiple of the generating system of gear cutting. to those of the forming gear and which, if in metal, would formsuitable teeth for a gear to mate with the forming gear. If the forming gear be made of hardened steel with suitablerake and clearance to the teeth, and if it be then…
Machine-shop practice
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
