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      Knowledge is Power

      Scientific American November 08, 1919

      The One-Man Torpedo Boat - A New Type, Small, Fast and Difficult to Detect, Am I my Brother's Keeper?, and more

      • November 8, 1919

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      More in the November 08, 1919 issue of Scientific American
      • Correspondence - November 8, 1919
      • Inventions New and Interesting - November 8, 1919
      • The Microscopic Analysis of Iron and Steel
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