Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 102
thus definitely locating lines C and G. Theother faces are determined in like manner. The development of the cut is obtained bylaying off from /, on its corresponding ele-ment, the true lengths of the elements fromthe apex of the pyramid to the cut section,and joining the points thus obtained. The… … 86 DESCRIPTIVE GEOMETRY 122. To determine the curve of intersectionbetween a plane and any cone. Principle. The problem is identical withthat of the intersection of a plane with a pyra-mid, for a cone may be considered as being apyramid of an infinite number of faces. Method. 1. Pass a series of…
Geometry, Descriptive
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