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      Scientific American November 06, 1875

      Recent American and Foreign Patents - November 6, 1875

      • November 6, 1875

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      More in the November 06, 1875 issue of Scientific American
      • Communications Received - November 6, 1875
      • Improved Steam Heater for Dwellings
      • New Chemical and Miscellaneous Inventions - November 6, 1875
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