Detroit. Public schools. Dept. of instruction, teacher training and research. [from old catalog], Kepler, Frank Roy. [from old catalog] · Detroit · leaf 3
ut onpaper of forms showing their exact form and position withrelation to co-ordinate planes. Perspective:—Looking at an object, visual rays extendfrom points of the object to the eye, all converging at the eye.If a transparent screen is placed between the object and theeye a picture is formed on… … r/6. /. PEPSP^C T/VE Orthographic Projection:—In perspective the point ofsight is always at a given or finite distance from the object,while in orthographic projection the point of sight is consid-ered at an infinite distance and the object at a finite distancefrom the screen, or plane. Hence the…
Projection
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
