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 26
Fig. Q 1 Fig. 0 2 Although the Method of Envelopes is thus useful for obtaining the Line of Shadow, it is not available forgetting the Line of Shade, for a line drawn through the points where 45-degree lines are tangent to the con-tours of these sections would not coincide with the projection of…
Shades and shadows
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