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      Knowledge is Power

      Scientific American February 06, 1886

      Notes and Queries - February 6, 1886

      Hints to Correspondents

      • February 6, 1886

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      More in the February 06, 1886 issue of Scientific American
      • A New Mass of Meteoric Iron
      • Correspondence - February 6, 1886
      • Improvement in Stone and Marble Sawing Machines
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