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Scientific American

April 26, 1919

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Inventions New and Interesting - April 26, 1919

A Department Devoted to Pioneer Work in the Arts

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This article was originally published with the title “Inventions New and Interesting” in Scientific American Magazine Vol. 120 No. 17 (April 1919), p. 438
doi:10.1038/scientificamerican04261919-438

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