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Inventors at work, with chapters on discovery (1906)

Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 44

An illustration from Inventors at work, with chapters on discovery, 1906, leaf 44
Girder contours simple and built up.

Inventions · Inventors

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

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