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 12
at only part of its .surf.ice is darkened,this portion is called the Ciisl Sliiuio;(\ or ]isible Slhhlo;<\ oftho object that casts it, or simply its Sliihiou\ Line of Lii^lit mul Shtuiow, or Line of Sh<iJoiv.-—The linethat then sei^aratos tho illuminated portion of tho secondsurface from tho… … ELEVATION
Shades and shadows
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