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      Knowledge is Power

      Scientific American January 08, 1870

      On Manganese and Some of Its Compounds

      • By Charles A. Joy on January 8, 1870

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      More in the January 08, 1870 issue of Scientific American
      • Canal Through the Isthmus of Darien
      • The Corliss Steam Engine, How a Fish Swims
      • Aerial Navigation
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