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      Knowledge is Power

      Scientific American October 17, 1914

      Our Merchant Marine--Past, Present, and Future

      III.--The Future

      • By Winthrop L. Marvin on October 17, 1914

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      More in the October 17, 1914 issue of Scientific American
      • Our Latin American Opportunity
      • Electric Power as a by-product at Mines
      • The Electric High School
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