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 144
the ground a second time for rinding the position of thesquare D on the picture, as in Fig. 15, the plan of which wehave given again in Fig. 22. The square in this plan isplaced distant from the plane of delineation exactly its ownwidth, and for the advantage of showing the lines more dis- Fig. 22,… … i g tinctly, the position of the spectator a little to the left. Thosepoints on the plane of delineation only are introduced that 110 PERSPECTIVE FOR STUDENTS. are requisite for drawing the square in perspective, as de-scribed for Fig. 15, Representation 2; and in the diagram ofthe Representation,…
Perspective
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