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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 298
Fig. 19.—Machine tool knobs. … D= . I3SL+^ in. d= . iL+i in- Fig. 17.—Ball cranks.Machine design
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