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 120
cupy in the picture, whether it isplaced in the one position or the other. The lines J l andK l represent the visual rays; and it will be seen by thediagram how much longer the representation of the linewould be were g h the position of the plane of delineation,than if it were placed at E f, by the… … a square to be drawn (the original object), B the position ofthe spectator, and c the plane of delineation; the square, thespectator, and the plane of delineation, all standing on thesame level plane. The appearance of the square on the plane * By reference to the cut, p. 75, this may be easily…
Perspective
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
