Credit: ©The Royal Society
    Image number: RS.14814

    Diagram relating to Alhazen's problem

    Date
    6 December 1672
    Object type
    Archive reference number
    Manuscript page number
    p408
    Material
    Dimensions
    height (page): 313mm
    width (page): 197mm
    Subject
    Physics
       > Optics
    Description
    Diagram relating to Alhazen's problem in Renatus Slusius's letter to Henry Oldenburg dated 6 December 1672.

    The problem attributed to Alhazen (the Latinized name of Ibn al-Haytham (965-1045)) is to find a point of reflection on the surface of a spherical mirror in relation to two points, the eye and the visible object.

    The diagram in the original letter can be found at EL/S1/73/002.
    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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