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      Scientific American May 1922

      Inventions New and Interesting, May 1922

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

      • May 1, 1922

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      More in the May 1922 issue of Scientific American
      • America's Debt to the Howe Truss Timber Railway Bridge, Facts Concerning Molybdenum
      • Cucumber-Flavored Water
      • Nelson's "Victory" Makes Her Last Voyage
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