American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 131
LLlL V 2 J.I,I,I,III,1,1,1,1,1,J,I, ,1,1.1,1,1,1,1,1,1 … Figs. 2 and By the diagram the relative size of a tooth may be easily deter-mined. For example, if we contemplate using a gear of 2 diametralpitch, by referring to line H K, which shows the comparative distancebetween centers of teeth, on the pitch line, it will be observed that LAYING OUT SPUR…
Machine-shop practice
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