Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 40
Fio. 16 Ill, § 17] PROJECTION OF LINES 21 … FiQ. 17 projections of some line in space. This fact is readily seen byreference to Fig. 16. Let 0*6* and a^h be any two lines drawnas above. Consider nowFig. 17, where these pro-jections are shown in anisometric drawing.Through a6 pass a planeperpendicular to V, andthrough o^J* a plane…
Geometry, Descriptive
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