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      Knowledge is Power

      Scientific American August 17, 1878

      Index of Inventions

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

      • August 17, 1878

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      More in the August 17, 1878 issue of Scientific American
      • A New Working Glove
      • First Impressions of the Eclipse Observations
      • New Corn Plow and Marker
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