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 24
ted on the plan asCircles, and m the elevation as Horizontal Lines, as is done in Fig. LL, in the Appendix page 67 Thepoints at which the vertical secant planes cut the circles in the plan, give, when projected into the elevationpoints on the outlines of the slices, as in that Figure. The Points of… … The Line of Shadow.—The Shadows of the pointsthus ascertained give corresponding points in theLine of Shadow. The sHces being parallel to the light,their shadows are Right Lines, upon which theshadows of the points of tangency are easily deter-mined upon the vertical plane of projection, as inFig.…
Shades and shadows
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