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      Knowledge is Power

      Scientific American February 04, 1905

      Coal and Ore Handling Plant in the Island of Elba

      By Our Paris Correspondent

      • February 4, 1905

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      More in the February 04, 1905 issue of Scientific American
      • Measuring Time: Ancient and Modern Methods
      • The Japanese as Scientists
      • De Forest-Ives Electric Wave-Length Standard
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