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      Knowledge is Power

      Scientific American February 15, 1919

      Reconstruction Department

      A Department Devoted to the Improvement of Old and Development of New Lines of Manufacture

      • February 15, 1919

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      More in the February 15, 1919 issue of Scientific American
      • France's Rôle in the World War
      • The Peace Conference and the Submarine, Public Interest in Automobiles and more
      • New Books, Etc. - February 15, 1919
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