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      Scientific American July 25, 1914

      A World's Fair of Books

      The International Exposition of Book Trade and the Graphic Arts at Leipzig, Germany

      • By Alfred Gradenwitz on July 25, 1914

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      More in the July 25, 1914 issue of Scientific American
      • Controlling Ships' Engines Directly from the Bridge
      • The Electrical Conductivity of Copper
      • A Long Rope Railway
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