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 58
ABC, which corresponds to the angle7° 8 ; the secant of this angle, as per table, is 1.0078,which, multiplied by the radius (16r/) = 16.124 for one sideor A B, and twice this = 32.250 inches nearly, or about one-fourth inch too long fur the center speeds. On long belts thislittle difference would… … 1 6° 10 , i \ 1 • .s :*°\ J 4^*9 36 | 3ii j w _ . M.. i
Machinery
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