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 37
triangle, inwhich the radius of the circle corresponds to one of the sidesof the angle. Now, let it be remembered that when the distance C B(which is the longest line) of any right angled triangle isknown, then the line A B is always the sine, and A O isalways the cosine of the angle. Remember,… … A S \ *s°, \ /,■
Machinery
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