Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 75
e, 1J in. to the inch.s Prob. 21.—Draw a plan and any angular elevation of a pulley 3ft. in diameter; rim, 6 in. wide,3 in. thick; hub, 9 in. in diame-ter, 6 in. long, and bore 3 in. inFig.93. diameter; 4 spokes 1 in. X 5 in.; scale, 1 in. to the foot. (Fig. 93.)Prob. 22.—A piece of timber 13in.…
Mechanical drawing
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