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      Scientific American December 1925

      Does a Radio "Roof" Top the World?

      Region Of Rarefied Air High Above the Earth Is Held Responsible for Wave Propagation and Fading Radio Concerts

      • By Orrin E. Dunlap Jr. on December 1, 1925

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      More in the December 1925 issue of Scientific American
      • Man is what he Eats
      • Radio Notes, December 1925
      • The Progress of Medical Science--III
      View Full Contents
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