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      Knowledge is Power

      Scientific American October 07, 1876

      Index of Inventions - October 7, 1876

      Letters Patent of the United States were Granted in the Week Ending

      • October 7, 1876

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      More in the October 07, 1876 issue of Scientific American
      • A New Mechanical Movement
      • Communications Received - October 7, 1876
      • Notes and Queries - October 7, 1876
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