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      Knowledge is Power

      Scientific American August 16, 1919

      A Salvaging Submarine, Airplane Extremes

      Describing the Latest Craft of Simon Lake Which Simplifies Underwater Work

      • By Hawthorne Daniel on August 16, 1919

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      More in the August 16, 1919 issue of Scientific American
      • Our Proposed 1,000-Foot Steamers
      • Correspondence - August 16, 1919
      • Medium Capacity Trucks Popular, Rubber Mat for Baggage Transfer Trucks and more
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