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 35
nda-mental importance as to require the giving of concrete examples.Assume the dividing head of a universal milling machine tobe set up for the purpose of cutting some gears. The dividinghead of the Cincinnati Milling ^Machine Company is shown inFig. 4, and like all others, it contains three parts… … Fig, -Section of milling machine dividing head. the divisions are determined. If the dividing head is by a firstclass maker, all of these parts are of a high degree of precisionbut the maker would be the last man to claim them to beperfect. The spacing of the teeth of the worm wheel is…
Machine-shop practice
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