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 116
anintermediate plane,* called the plane of delineation (to be * Many are deterred from commencing, and more from persevering inthe study of Perspective, from the multiplicity of definitions too frequentlyput at the very commencement of most works on this subject, as if it werepurposely done to… … 82 PERSPECTIVE FOR STUDENTS. hereafter described), and there determine the size and formthe object must take in the representation. Much difficulty is always avoided by clearly comprehend-ing every step we take in the pursuit of knowledge; let usthen understand that the cause of vision is the rays…
Perspective
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