Freehand perspective and sketching; principles and methods of expression in the pictorial representation of common objects, interiors, buildings and landscapes (1916)
Norton, Dora Miriam · Brooklyn : The author · leaf 168
th the shadow of any verticalcylindrical object on a horizontal surface, as in Fig. 232. It willbe found actually symmetrical. In perspective it will be fore-shortened (B in Fig. 232); and lines marking its horizontal details(as AB, CD, and EF) will vanish, as would any parallelhorizontallines. If… … A. JnowiNG-VERTICAL Plane. ATUNEQOAU ANGLESTO 5MAD0\A/ CENTEE
Drawing · Perspective
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