Hatton, Richard G · London, Chapman & Hall ld. · leaf 142
a vanishing point for 50° on theleft is found and is used to indicate the position of avertical vanishing line. Up this V.L. the angle ofinclination is raised precisely as it was in Fig. 68, whena directly ascending plane was treated. Instead of the angle of inclination (30°) being set upupon the… … -*yP of INCUNATION TO eP > I
Perspective · Drawing
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