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      Knowledge is Power

      Scientific American October 19, 1918

      Some Aviation Economics

      What Are We to Do with the Vast Industries After the Sword Is Sheathed?

      • By C. H. Claudy on October 19, 1918

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      More in the October 19, 1918 issue of Scientific American
      • Quantitative Spectrum Analysis, Test Without Destruction as Achieved by the Permeameter, and more
      • The Motor-Driven Commercial Vehicle- October 19, 1918
      • Recently Patented Inventions- October 19, 1918
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