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      Knowledge is Power

      Scientific American May 08, 1920

      The World's Greatest Vehicular Tunnel

      Some Constructional Features of the New York-New Jersey Project

      • By Robert G. Skerrett on May 8, 1920

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      More in the May 08, 1920 issue of Scientific American
      • The Heavens in May, 1920
      • A Telephone to Europe?
      • Inventions New and Interesting - May 8, 1920
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