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      Scientific American March 16, 1878

      Patents - March 16, 1878

      Caveats, Copyrights, Trade Marks, Etc.

      • March 16, 1878

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      More in the March 16, 1878 issue of Scientific American
      • “Heat is Life-Cold is Death”
      • Communications Received - March 16, 1878
      • M. Plante's New Rheostatic Machine
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