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      Knowledge is Power

      Scientific American June 22, 1912

      The German Battle-Cruiser “Moltke”

      A Fine Example of a New Type of Fighting Ship

      • June 22, 1912

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      More in the June 22, 1912 issue of Scientific American
      • A Three-line Drafting Pencil
      • How to Determine the Thrust of a Propeller
      • Suggestions for the Workshop
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