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      Celebrate Math Awareness Month

      Scientific American August 02, 1873

      The Great Exposition--Letter from United States Commissioner Professor R. H. Thurston

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      More in the August 02, 1873 issue of Scientific American
      • Answers to Correspondents - August 2, 1873
      • Decisions of the Courts - August 2, 1873
      • Improvement in Bricks
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