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      Scientific American February 27, 1915

      “Standardizing” the Art of Voice Production

      The Fundamental Underlying Principle of Developing the Vocal Muscles

      • By Floyd S. Muckey on February 27, 1915

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      More in the February 27, 1915 issue of Scientific American
      • Mathematics and Artillery Science
      • The Chemistry of the Incandescent Gas Mantle
      • Concentration and Co-operation in Science
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