Credit: ©The Royal Society
    Image number: RS.14845

    Diagram relating to Guldin's centrobaric rule

    Date
    22 November 1673
    Creator
    Renatus Franciscus Slusius (1622 - 1685, Belgian) , Mathematician
    Object type
    Archive reference number
    Manuscript page number
    p337
    Material
    Dimensions
    height (page): 313mm
    width (page): 200mm
    Subject
    Description
    Diagram in a letter from Renatus Franciscus Slusius to Henry Oldenburg dated 22 November 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 is a copy of the figure in the letter at EL/S1/82/003. It is copied at LBC/6/401.
    Related fellows
    Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
    Associated place
    <The World>
       > Europe
          > Belgium
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