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      Knowledge is Power

      Scientific American August 22, 1908

      A New Method in Wet Excavation

      Draining Instead of Emptying an Excavation

      • By C. M. Ripley on August 22, 1908

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      More in the August 22, 1908 issue of Scientific American
      • Electrical Notes
      • The Audiffren Refrigerating Machine
      • Elements of Electrical Engineering.—XXIV
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