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      Scientific American April 1922

      At the Sending End of Radio

      Spanning the Atlantic with Fifty Watts of Electrical Energy, and a Few Facts Regarding CW Transmitters

      • By Pierre Boucheron on April 1, 1922

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      More in the April 1922 issue of Scientific American
      • A Drill for the Tree-Dentist, Auto-Bus Stability, and more
      • Curbing the Colorado
      • Inventions New and Interesting, April 1922
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