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. 18.—Machine tool handles. IiG. 23. Fig. 22. Figs. 20 to 23.—Silent pawls. clearance for blanking or perforating hard rolled steel .060 in. thick.The clearance given in the table for this thickness of metal is .0042,and the sketch shows that for blanking to exactly i in. diameter thisamount is…
Machine design
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