Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 139
ength of the teeth. This ratio was adoptedin the case of spur gears as a necessary feature of interchangeablesets running from a twelve toothed pinion to a rack. This considera-tion does not enter the case of bevel gears, each pair of which is athing by itself, and there is hence no necessity for…
Machine design
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