Complete perspective course : comprising the elementary and advanced stages of perspective, the projection of shadows and reflections, with exercises in theory and practice, also the practical application of perspective (1900)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan and co. · leaf 179
A Fi 120 and the picture plane, tlie inclination of that plane to tliepicture plane. 87. Centhe of A^anishing Line.—The vanishing point forlines parallel to receding planes, and at right angles to thevertical traces of the planes, is called the centre of the vanishingline; because, as the vanishing…
Perspective
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