Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 97
ter at the base,25 ft. pitch, and cut by aplane making an angle of60° with the axis, 15 ft.from the base; scale, -^ in.to the foot. Prob. 3.—Draw a plan andelevation of a frustum of acone 4J in. in diameter atthe base, 5 in. pitch, andthe plane of the top makingan angle of 45° with theaxis, 2J in.… … 96 MECHANICAL DRAWING. and length of axis 80 ft.; scale, ^ in. to thefoot. Prob. 5.—Draw the plan and elevation of a frus-tum of a hexagonal pyramid 2 in. in diameter atthe base, 4 in. pitch, angle of the top 45° with oneof the hips (angles), and the axis 3 in. in length;scale, full size. Prob.…
Mechanical drawing
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