Freehand perspective and sketching; principles and methods of expression in the pictorial representation of common objects, interiors, buildings and landscapes (1910)
Norton, Dora Miriam · Brooklyn : D. M. Norton · leaf 163
me actual direction, move it tothe left till it grazes the top corner (B) of the box. It will befound also to mark the shadow (&) of point B. The evident truth is that the direction of the light-ray from anypoint in the object marks the same point in its shadow. Thereforeto find the shadow of… … Fig. 230 SHADOWS
Drawing
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