The principles of perspective as applied to model drawing & sketching from nature (1890)
Trobridge, George, 1851-1909 · London : Cassell · leaf 42
THE PliJNCIPLES OF PERSPEUTIVE AS APPLIED TO 38 perhaps the best plan is to get the upriglit tlireo views of a semi-circular arcli are given : jambs in the first place, and note carefully the Fig. 1, as seen when the eye is exactly op- relative position of the points from which the posite to the… … reason for these changes will be seen if the of the space, as shown in Plate XXIL, and ellipse is completed in each case. The direc- observe the nature of the curve on either side tion of the long diameter changes with the of the central line. It is not necessary to draw position of the eye, as…
Perspective · Drawing
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