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      Digital & 4-Year Archive

      Scientific American September 23, 1899

      Recently Patented Inventions - September 23, 1899

      • September 23, 1899

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      More in the September 23, 1899 issue of Scientific American
      • An Improved Vehicle-Tire
      • In the Path of the Porto Rican Hurricane
      • Observations of Polaris
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