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 32
diffused light, coming in a direction opposite to that ofthe Sims rays. The sky, if without clouds, is brightest about the sun, so that the lightreflected upon any object from a clear sky comes, virtually, in the same directionas the direct sunhght. But the light reflected from other objects, such… … Fig. VI
Shades and shadows
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