Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 223
ah^ the part ac falls on the plane mnop and the remainder, eh, onthe plane nrso. To find the shadow of ac on the left-hand plane we must firstdetermine our ground line. The ground line will he that pro-jection of the p>lane receiving the shadoio whichis a line. In thisexample the vertical…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
