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      Knowledge is Power

      Scientific American November 30, 1889

      The Production of the Alloys of Aluminum and Silicon in the Electric Furnace (Cowles' Process)

      • By J. H. J. Dagger on November 30, 1889

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      More in the November 30, 1889 issue of Scientific American
      • Building Plans and Specifications
      • Instruments for Measuring Radiant Heat
      • The Birmingham Compressed Air Power Supply
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