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 291
that of the desired taper. The taperbeing usually given in ins. per in. or ins. per ft., the equivalent anglemust first be determined. If the taper is measured perpendicularto the center line as in-Fig. 2, this angle for most cases in practice,may be taken directly from Table 7 and we have the… … Fig. 2.—Measured perpendicular to center line. Figs. 2 and 3.—Originating tapers, Fig. 3.—Measured perpendicu-lar to one side. If the taper is not found in the table, divide the taper per inchby two, when it becomes the tangent of half the included angle.Find the angle corresponding to this tangent…
Machine design
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