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      Digital & 4-Year Archive

      Scientific American January 11, 1890

      Radii of Curvature Geometrically Determined

      • By C. W. MacCord on January 11, 1890

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      More in the January 11, 1890 issue of Scientific American
      • Patents- January 11, 1890
      • Constitution of the Celestial Space
      • Notes on Essential Oils
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