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      Scientific American October 18, 1890

      Radii of Curvature Geometrically Determined

      • By C. W. MacCord on October 18, 1890

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      More in the October 18, 1890 issue of Scientific American
      • Patents!- October 18, 1890
      • A Simple Chuck and Micrometer Stop for Amateurs
      • Building Plans and Specifications
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