Hatton, Richard G · London, Chapman & Hall ld. · leaf 181
.P. This gives E.S.3, which is the radiatingpoint of the shadow of the line C. We draw from R.S.3through the end of C, namely C, and limit the shadowby a ray from the light. To prove this, point C is treated like point A, and its shadowis found by a vertical line.This is shown in dotted… … FiG. 112.—A semicircle standingvertically, its shadow cast by anartificial liglit. Shadows cast by Artificial Light 147
Perspective · Drawing
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