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      Knowledge is Power

      Scientific American February 06, 1886

      Agatized and Jasperized Wood of Arizona

      • By George F. Kunz on February 6, 1886

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      More in the February 06, 1886 issue of Scientific American
      • Address of Professor T. H. Huxley on Resigning the Presidency of the Royal Society, November 30, 1885
      • Electric Areometer
      • Lacquer Work of the Burmans
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