Lange, David C. (David Christoph) · New York, John Wiley & sons, inc.; [etc., etc.] · leaf 93
Fig. 37 … Fig. 39 QUESTIONS ON THE SHADOWS OF TLAMIS 81 Determine the shadows of the plane surfaces (Art. 27)and it will be seen that the shadows have the size and shaj^eof the plane surfaces casting them. Axiom VI. Any point or line lying on a plane is theInvisible Shadow of itself on that plane. 29. The…
Shades and shadows · Geometry, Descriptive
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