Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 108
ents are representedin vertical projection in their true lengths,and in horizontal projection at their truedistances apart measured on the periphery of the base. If the cylinder be rolled upona plane, the ends of the elements will move inplanes perpendicular to the elements; there-fore, h will lie… … 92 DESCRIPTIVE GEOMETRY 127. To determine the curve of intersectionbetween a plane and a prism. Principle. A prism may be considered asa pyramid with its apex at infinity; hence, thisproblem in no wise differs in principle andmethod from that of the pyramid (Art. 120). Construction. Fig. 165. Given…
Geometry, Descriptive
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