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 70
the shape of trapezoidal pyra-mids, as here shown. The shadows in Example XXXIIA and B, are cast as in Fig. 38 A and B. ExampleXXXII C requires a slightly different treatment, sincethe line s^ .s^, which is the shadow of the line Vj^ v.,joining the vertices of the two pyramids does not inter-sect…
Shades and shadows
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