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      Scientific American January 1871

      Official List of Patents- January 1, 1871

      Issued by the U. S. Patent Office for the Week Ending December 20, 1870. Reported Officially for Scientific American.

      • January 1, 1871

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      More in the January 1871 issue of Scientific American
      • Scientific American 1871
      • Correspondence- January 1, 1871
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