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      Scientific American August 19, 1916

      Optical Glass

      Various Qualities Required, and Something of the History and Methods of Its Manufacture

      • August 19, 1916

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      More in the August 19, 1916 issue of Scientific American
      • Carillons and Chimes
      • Flexibility in Steam and Gas Engines
      • A New Glass; And an Application of the Low Reflectivity of Glass for Radiant Heat
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