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      Digital & 4-Year Archive

      Scientific American February 14, 1885

      Decisions Relating to Patents - February 14, 1885

      • February 14, 1885

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      More in the February 14, 1885 issue of Scientific American
      • Business and Personal - February 14, 1885
      • Improved Harrow
      • Invention as an Art
      View Full Contents
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