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      Scientific American September 11, 1886

      Radii of Curvature Geometrically Determined

      No. Iv.—The Cycloid

      • By C. W. MacCord

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      More in the September 11, 1886 issue of Scientific American
      • Bertrand's Refractometer
      • Leasing of an Unsanitary House
      • The Eclipse of Algol, with the Latest Determinations of its Distance and Dimensions
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