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 29
Fig. S 1 Fig. S2 SHADOWS ON IRREGULAR SURFACES 19 If the two faces of the pyramid are supposed to be extended across the edge in which they meet, and the linesof intersection extended accordingly, the whole of the ellipses can be determined, as in the upper figure. The Line of Shadow in Fig. S 1 is…
Shades and shadows
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