Credit: ©The Royal Society
    Image number: RS.15904

    Diagrams relating to conic sections

    Date
    10 March 1670
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p3
    Material
    Dimensions
    height (page): 301mm
    width (page): 213mm
    Subject
    Description
    Diagrams in a letter from Renatus Franciscus Slusius to Henry Oldenburg, dated 10 March 1670. The first set of diagrams relate to Slusius's procedure for finding the foci of any conic section. The figure in the middle of the letter illustrates the 'universal paradigm of the cubic equation with positive coefficients' (Correspondence of Henry Oldenburg, ed. by Hall and Hall, vol. 6, p. 524).

    There are copies of the first set of diagrams at LBO/3/293 and LBC/3/364.
    Related fellows
    Renatus Franciscus Slusius (1622 - 1685, Belgian) , Mathematician
    Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
    Associated place
    <The World>
       > Europe
          > Belgium
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