Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 109
of thehip. (Fig. 129, a). Thisline will be the hypoth-enuse of a right-angledtriangle, of which theother sides are, respect-ively, the plan of the hipand the pitch of thepyramid. It, therefore,represents the true length of the hip, and aC, eC,and dC are the true lengths of the hips AC, BC,and DC… … Fig. 129, a. 108 MECHANICAL DRAWING.
Mechanical drawing
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