Methods of machine shop work : for apprentices and students in technical and trade schools (1914)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York : McGraw-Hill · leaf 153
cut and score one another. The customary taper, measured on the diameters, is one-sixteenth inch per foot of length. This taper has, however,been improved upon by the Westinghouse Machine Companywho make the taper .06 instead of .0625 = one-sixteenth inchper foot. This modified taper is equivalent… … Fig. 123.—Measuring taper press fits. A strip of steel having holes drilled through it at even inches ofits length is placed within the hole when, by the inside microm-eter caliper shown, the hole is readily gaged at any part ofits length. The readings are not exactly equal to the diametersbecause…
Machine-shop practice
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