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 213
machines adapts them to the performing of otherwisedifficult operations, but the necessary joint at the base of thearm—precisely the point where stiffness is most needed—robsthem of stiffness and, except as regards this convenience ofadjustment, which is only occasionally required, the plainradial… … ^^y ^/ |y|| j|z bI lIn I ywl 5Pli |(ilililMii.,i,:iii!iiiiiii,if IL, ys
Machine-shop practice
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
