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Scientific American

February 12, 1870

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Recent American and Foreign Patents - February 12, 1870

Under this heading we shall publish weekly notes of some of the more prominent home and foreign patents.

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This article was originally published with the title “Recent American and Foreign Patents” in Scientific American Magazine Vol. 22 No. 7 (February 1870), p. 114
doi:10.1038/scientificamerican02121870-114

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