Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 243
c^lf. The remaining portion of the linea^d^h^ is not a shade line since the light would reach the sphericalsurface adjacent to it and also reach the plane surface on the otherside of a^d^h outside the spherical hollow. \Ye must now cast the shadow of the line a^cyh on the spher-ical surface of the… … 196 SHADES AND SHADOWS 27 G-30 of the line ach (in this case parallel to V) an auxiliary plane P,it will cut on the spherical surface a line of intersection xy\ inelevation this will show as a circle x^y^^ whose diameter is ob-tained from the line x^y^ in the plan. This line of intersectionwill…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
