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      Digital & 4-Year Archive

      Scientific American February 07, 1874

      Recent American and Foreign Patents - February 7, 1874

      • February 7, 1874

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      More in the February 07, 1874 issue of Scientific American
      • Astronomical Notes - February 7, 1874
      • Fire and Waterproof Chimney Guard
      • Patent Barrel Head
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