Lange, David C. (David Christoph) · New York, John Wiley & sons, inc.; [etc., etc.] · leaf 74
Fig. 16 ^ \.a> Fig. 17 Fig. 19 . IQ Fig. 18 … 62 SHADOWS OF POINTS The two projections of the Ray of Light, R^ and Ror R, are passed through the projections of the point.The projection of the shadow of the point is the pointin which a Hne, erected at the intersection of the ProfileProjection of the Ray with the H or V Coordinate,…
Shades and shadows · Geometry, Descriptive
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