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      Scientific American August 16, 1913

      The Emission of Electrons from Tungsten at High Temperatures

      An Experimental Proof that the Electric Current in Metals is Carried by Electrons

      • By O. W. Richardson on August 16, 1913

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      More in the August 16, 1913 issue of Scientific American
      • Causes for Variation in the Quality of Distilled-Water Ice
      • Our Phosphate Production
      • The Modern Production of Lampblack
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