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
e could be slid forwardon the grooves, up to the plane of delineation. We should then PERSPECTIVE FOR STUDENTS. 109 have the front face of a square absolutely on the plane of deli-neation ; we should have a perpendicular line over /the lengthof b c, one of equal length over and a line parallel… … 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,…
Perspective
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