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      Knowledge is Power

      Scientific American November 27, 1897

      Pneumatic Locks for Canals

      • By Chauncey N. Dutton on November 27, 1897

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      More in the November 27, 1897 issue of Scientific American
      • Echinocystis Lobata
      • M. Bazin's Roller Steamship
      • The De Laval Steam Boiler
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