Shades and shadows

Lange, David C. (David Christoph) · 1921 · New York : John Wiley & Sons ; London : Chapman & Hall · 109 pictures

A 1921 textbook on shades and shadows in descriptive geometry by David C. Lange, issued by John Wiley & Sons in New York for engineering and architectural drafting students. The plates are line diagrams: planes, prisms and solids projected against a ground line, with dashed projectors, lettered points and ruled hatching marking shadow areas on pale stock.

Shades and shadows · Geometry, Descriptive

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