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 28
FiQ. R3 Fig. R4 18 SHADES AND SHADOWS IX. The Method op Parallel Planes.—It sometimes happens that the surface upon which a shadow isto fall is easily cut by planes parallel to the Plane of Projection. This is the case with polyhedra, in which thelines of intersection are right lines, and with…
Shades and shadows
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
