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 31
.Fig. U 1 … Fig. U 2 SHADING. DIFFUSED AND REFLECTED LIGHT Rough and Smooth Surfaces.—A convex surface grows less luminous as it turnsaway from the sun. But the eye does not accurately estimate these grada-tions, and on a smooth cylinder, such as a marble or limestone column, thesurface in light appears to be…
Shades and shadows
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