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 29
as held verti-cally and moved above or below theeye level. The circular top appearsas a circle only when its surface isat right angles to the direction ofseeing (A, Fig. 14). When oblique to this direction, as at B, itappears as an ellipse, or foreshortened circle. The ellipse isplainly, therefore,…
Drawing · Perspective
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
