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      Scientific American January 1941

      What Makes Fantasia Click

      Multiple Sound Tracks and Loud-Speakers Give Auditory Perspective to Sound Movie Screen

      • By A. P. Peck on January 1, 1941

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      More in the January 1941 issue of Scientific American
      • Browsing with the Editor, January 1941
      • Industrial Trends, January 1941
      • Photo-Finishes
      View Full Contents
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