American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 395
FIG. 8 366 TAPERS AND DOVETAILS MEASURING EXTERNAL AND INTERNAL DOVETAILS The accompanymg table of constants is for use with the plugmethod of sizing dovetail gages, etc. The constants are calculatedfor the plugs and angles most in use; and to use them a knowledgeof arithmetic is all that is… … Fig. 9. — External and Internal Dovetails As an example of the use of the table, suppose that Z, Fig. 9, is thedimension wanted, and that the dimension A and the angle a areknown. A glance at the formulas above shows that Z = A — D.Then the constant D corresponding to the size of plug and the…
Machine-shop practice
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