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Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 62
Simple cantilevers. FG, HI, are first separate; then in contact; last are joined by a plank laid above them. 27 … 28 FORM-BRIDGESInventions · Inventors
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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