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 121
o it is with the width : the visual raysdrawn from e and/, and g and A, to e (Fig. 11), would givethe same width on the plane of delineation if drawn to anyother point on the line B e. We have stated that the baseof the square, the base of the plane of delineation, and thespectator (Fig. 11), all… … PERSPECTIVE FOR STUDENTS. 87 delineation, and these points of intersection determine thewidth of the square, at whatever height the representationof it may be on the plane of delineation. If from each ofthese points a perpendicular line is drawn from the base tothe top of the plane of delineation,…
Perspective
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