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Scientific American

February 21, 1914

1 min read

President Wilson on Canal Tolls, Pittsburgh's Smoke Bill, Rewards to Postal Employees for Inventions and more

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This article was originally published with the title “President Wilson on Canal Tolls, Pittsburgh's Smoke Bill, Rewards to Postal Employees For Inventions, and more” in Scientific American Magazine Vol. 110 No. 8 (February 1914), p. 154
doi:10.1038/scientificamerican02211914-154

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