Credit: ©The Royal Society
    Image number: RS.15037

    Diagram relating to centrobaric rule

    Date
    25 September 1673
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    LBC
    Manuscript page number
    vol6 p360
    Material
    Dimensions
    height (page): 303mm
    width (page): 178mm
    Subject
    Description
    Diagram in Henry Oldenburg's letter to Renatus Franciscus Slusius dated 25 September 1673 concerning the centrobaric rule of Paul Guldin (1577-1643). Guldin’s rule in Centrobaryca (1635-41) states that ‘If any plane figure revolve about an external axis in its plane, the volume of the solid so generated is equal to the product of the area of the figure and the distance travelled by the center of gravity of the figure’ (as explained in The Correspondence of Henry Oldenburg, vol. 10, p. 180n4).

    This figure was copied from LBO/6/309.
    Related fellows
    Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
    Renatus Franciscus Slusius (1622 - 1685, Belgian) , Mathematician
    Associated place
    <The World>
       > Europe
          > Belgium
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