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Mechanical graphics. An educational course on the theory and practice of mechanical drawing (1890)

Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The Princeton Press · leaf 41

An illustration from Mechanical graphics. An educational course on the theory and practice of mechanical drawing, 1890, leaf 41
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Mechanical drawing · Lettering

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

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