Simplified mechanical perspective for the use of ... schools (1909)
Frederick, Frank Forrest, 1866-1942 · Peoria, Ill., The Manual arts press · leaf 25
be set off at A-B, or projectedfrom the elevation by line C-A. In this system of perspective all heights are secured from eleva-tions; and all heights (as in any system of perspective) must be meas-ured or located upon the picture plane, for there only do they appearof their true length. Problem…
Perspective
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
