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      Knowledge is Power

      Scientific American December 1925

      News for Inventors, December 1925

      A Department of Facts and Notes of Interest to Patentees and to Owners of Patent and Trademark Rights

      • By Milton Wright on December 1, 1925

      This is a preview. Make a selection below to access this issue.Already have access? Sign in.

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      More in the December 1925 issue of Scientific American
      • Does a Radio "Roof" Top the World?
      • Man is what he Eats
      • Radio Notes, December 1925
      View Full Contents
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