Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 119
le da and ea are tlieelements cut from the cone. The intersectionof these elements at/and^ will be points com-mon to the cylinder and cone; hence, pointsin the required curve of intersection. The planes iV and jS are tangent planes, theformer to the cylinder and the latter to thecone; therefore,… … Fig. 174. INTERSECTION OF CONE AND CYLINDER 103 be necessary to determine the required curve.Since it is desirable to determine the points oftangency between the curve and contourelements, strive to locate the intermediateplanes so that all such elements may be cut bythe auxiliary planes. 136.…
Geometry, Descriptive
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