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 33
early apparent, separa-ting the Shadow from the Shade, which is luminous with reflected light. Since surfaces in shade are all ttimed more or less toward the reflected light and those in shadow are all turned more or less away from it, and as no other light falls upon them, it follows that the… … Fig. X 2
Shades and shadows
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