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 43
32 SHADES AND SHADOWS the side of the square; the shadow of the diagonal which hes in the direction of the light on the first plane, is at right angles with the projection of the square upon that plane, and is equal in length to the side of the square. The diagonal which lies across the light has a… … /
Shades and shadows
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