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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 131
Fig. 2 Shafts at less than 90 Degrees Pinion Fig. I-Shafts at Right Angles BackimMachine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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