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      Knowledge is Power

      Scientific American May 1925

      Radio Notes, May 1925

      A Review and Commentary on the Progress in This Branch of Rapid Communication

      • By Austin C. Lescarboura on May 1, 1925

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      More in the May 1925 issue of Scientific American
      • A Policy for the Conservation of Our Wild Game
      • Did Man Evolve in Africa?
      • Inventions New and Interesting, May 1925
      View Full Contents
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