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      Knowledge is Power

      Scientific American November 1923

      A Midget Wind Tunnel that Works Like a Giant, A 29-Ton Portable Riveter and more

      • November 1, 1923

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      More in the November 1923 issue of Scientific American
      • Automobiles and Near-Automobiles, Forests and Fertility and more
      • Fish as Food and Fertilizer
      • Miscellaneous, November 1923
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