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      Digital & 4-Year Archive

      Scientific American January 1923

      Doing Two Things at Once

      Multiple Consciousness, or Reflex Action of Unaccustomed Range?

      • By Alfred Gradenwitz on January 1, 1923

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      More in the January 1923 issue of Scientific American
      • Airplanes in the Public Consciousness
      • Civil Engineering Notes, January 1923
      • Leaves from the Archaeologist's Note-Book
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