Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 84
ally considered is includedbetween the apex and a plane which cuts allthe elements. This plane is called the base ofthe cone and the form of its curve of inter-section with the conical surface gives a dis-tinguishing name to the cone, as, circular,elliptical, parabolic, etc. If the base of thecone…
Geometry, Descriptive
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