Shades and shadows, with applications to architectural details, and exercises in drawing them with the brush and pen .. (1912)
Ware, William R. (William Robert), 1832-1915 · Scranton, International Textbook Company · leaf 38
D … ■f\u Fig. 9 A Fig, 8 in these perspectives, taken parallel to the plane of the picture and makingthe angle Q with the planes of projection, its projection on each plane making45 degrees with the other, and with the ground Une. 14. The invisible shadow, or shadow in space, of the line A B, is,…
Shades and shadows
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