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      Knowledge is Power

      Scientific American June 1923

      Inventions New and Interesting, June 1923

      A Department Devoted to Pioneer Work in the Various Arts and to Patent News

      • June 1, 1923

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      More in the June 1923 issue of Scientific American
      • Alcohol and the Bootlegger
      • Correspondence, June 1923
      • Getting Our Money's Worth in Fertilizer
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