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      Memorial Day Sale

      Scientific American November 21, 1908

      The Making of Diamonds

      What has been Done by the Maker of Artificial Gems

      • November 21, 1908

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      More in the November 21, 1908 issue of Scientific American
      • Concrete Piles and Sleepers
      • Enlarging and Printing Upon Fabrics
      • Production of Tungsten
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