A rudimentary and practical treatise on perspective for beginners : simplified for the use of juvenile students and amateurs in architecture, painting, etc., also adapted for schools and private instructors (1866)
Pyne, George · London : Virtue Brothers & Co. · leaf 60
axisof the ellipse, whereas it simply divides the circle into itsperspective halves. If all the lines serving to draw the curvewere to be erased, and the curve left; if its proper axis (along straight line, that divides it longitudinally into two equalparts,) were to be found, it would show that… … I if 4 PERSPECTIVE FOR STUDENTS. 39 arches may be put in perspective ; a small geometrical draw-ing (g d) or elevation of which is placed at the side of theproblem, and is drawn to a scale of one-fourth of the per-spective drawing. Let the student first draw an elevation similar to the onein the…
Perspective
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