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 140
t of eye = o. Scale Y = !• Tig- 85. Let ABCD be the plan of the rectangle. Draw lines fromeach corner perpendicular to the G.L., and meeting it in thepoints ABDC. With A as centre and radius AA, describe anarc to meet G.L. in a. Draw lines from A to C.Y., and from a to THE DIRECT METHOD OF… … Fig. 85 should find, since they are receding Iwrizontal lines [20], thatthey would meet in Y.P.s on the H.L. If we were to make a drawing of Fig. 85, and crease tliepaper at the G.L, so ^that the plan would lieon a horizontal plane,and the perspectivedrawing on a verticalplane, as shown in Fig.86,…
Perspective
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