A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 132
- (Vi (n which the cam works, to a semicircle or straight angle. 2 = 44/21 X, assuming tt to be 3 1/7. X, or the radius, = 2/44/21 = 2x21/44 =1 42/44in., or nearly i. 180 A PRACTICAL COURSE IN We assume ^f as being most convenient. With thisradius draw the base circle C, and construct tangentsupon…
Mechanical drawing
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