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 44
Fig. 23 B … 36 Fig. 23 A, B, and C shows the shadows cast by an octagon, in its three principal positions, upon aprincipal plane, inthe first position (A), the shadow is a regular octagon similar and equal to the onethat casts it; in the other two, it is an irregular octagon, with right angles at the comers…
Shades and shadows
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