Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 103
-PcWr>PI^- … Thus, the apparent convergence of lines in space is representedby a real convergence in the perspective projection. Again, thevanishing point of a system of lines is a purely imaginary pointwliich does not exist. But this imaginary point is represented inperspective projection by a real point on…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
