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      Knowledge is Power

      Scientific American March 16, 1912

      The Discovery of the South Pole, Object Lessons in Road Building and more

      • March 16, 1912

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      More in the March 16, 1912 issue of Scientific American
      • Brucker's Trans-Atlantic Airship Expedition Getting Ready
      • Recently Patented Inventions - March 16, 1912
      • What the States of the Union are Doing for Good Roads
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