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 202
IN COMILEX POSITIONS 179 points J, A, B, K. JJra^v a line from IM.l/ tlirongh / tomeet a line drawn from \.V. through a in / Also drawlines from h, k to M.l/ to meet the same line in h, k. Drawa vertical line at a, and mark off the points /, n,f at distancesequal to tliose marked on A, L, X, F.… … fiff. 129 ./, a, h, k. Join the extremities of these lines, as shown, tocomplete the octagon. 2. A fair curve drawn through the middle of each side ofthe octagon will be the circle required. Note.—This circle could be drawn by finding eight points inthe circumference, as described in Prob. 25, but…
Perspective
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