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Shades and shadows (1921)

Lange, David C. (David Christoph) · New York : John Wiley & Sons ; London : Chapman & Hall · leaf 112

An illustration from Shades and shadows, 1921, leaf 112
HR if? Fig. 55 Shadovv of db on planes R-S-T-V … BX Plan Planes of light 90° with H plane Shadow of ab on-planes R-T-S-V

Shades and shadows · Geometry, Descriptive

Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.

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