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 18
ine of Shadow is a Polygon, whichis the shadow of those edges of the polyhedronwhich are Lines of Light and Shade, as in thesefig-ures. The Angles of the Polygon are theshadows of the solid angles in which the edgesmeet. In Fig. J 1, the shadow is cast upon thehorizontal plane; in Fig. J 2, upon… … Fig. Jl
Shades and shadows
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