The machinist and tool maker's instructor, containing an easy method of calculating and laying out difficult work in the machine shop .. (1896)
Genung, Edward. [from old catalog] · New York [Press of J. B. Savage, Cleveland] · leaf 52
he line lengthwise on theshaft at D. As the shaft is 2%7/ in diameter, then in the angle A C Bthe radius is l%, and A B is the sine of the angle (40°.) The sine of 40° = .6428, and multiplied by the radius V/i= .8033, or the distance A B in a straight line; twice this =1.60C6 inches, or the… … VD> o y <s s
Machinery
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