Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 98
A-iixiliary circle … Fig. 236.—Cone out by plane,giving hjijerbolio section. Pig. 237.—Hyperbola, with its most importantfeatures. F 1 2 3 4Fig. 238.—Rectangular hyperbola. AB such that the product xy x xz = FE X ED; for by easy Euclid it can be proved that the rectangles AFED and AlaG, etc., areequal; and therefore…
Mechanical drawing · Geometrical drawing
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