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      Knowledge is Power

      Scientific American January 27, 1872

      Recent American and Foreign Patents - January 27, 1872

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

      • January 27, 1872

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      More in the January 27, 1872 issue of Scientific American
      • Business and Personal - January 27, 1872
      • Improved Wood Pavement
      • The Spread of Small Pox
      View Full Contents
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