Complete perspective course : comprising the elementary and advanced stages of perspective, the projection of shadows and reflections, with exercises in theory and practice, also the practical application of perspective (1900)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan and co. · leaf 303
hotograph taken M-ith tlie same lens, and the photographis not injured. Let the rectangle ABDG (Fig. 189) represent our drawing. ■ // ^\ ^ - / 0- ^- X * \ / // \ H / V \ c ~^/ ^~^ ^v ~^. ,^ ^v -. G —^ -D Fig. 189 This may be drawn to any scale to suit the size of the drawing,but the sides of the… … Fi.. 190 spending positions to those shown in Iig. 188. Join CB, as before,and draw a line from C at right angles to CB, as CE. Set off anangle of 60 at B Avith BC and produce the line to meet CE in 1^. XVI PHOTOGRAPHIC PERSPECTIVE 281 Then BEC is equal to half of the angle of distinct vision…
Perspective
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