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      Scientific American March 19, 1881

      A Newly Discovered Property of the Ellipse, and its Application to the “Oval Chuck”

      • By Frank M. Leavitt on March 19, 1881

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      More in the March 19, 1881 issue of Scientific American
      • Charcoal in Infantile Diarrhea
      • Glass as an Obstructor of Light
      • Patents
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