Credit: ©The Royal Society
    Image number: RS.15340

    Diagram

    Date
    17th century
    Creator
    John Collins (1625 - 1683, British) , Mathematician, Mathematician
    Object type
    Archive reference number
    Manuscript page number
    p4
    Material
    Dimensions
    height (plate): 201mm
    width (plate): 157mm
    Subject
    Description
    Diagram for solving two problems posited in the mathematical writings on the calculation of conic sections by Apollonius of Perga (late 3rd - early 2nd century BC). John Collins used geometrical methods to solve these problems.

    Collins also refers to the seventeenth lecture of Dr Isaac Barrow's Dioptricks, i.e. Barrow's Lectiones opticae (1669).

    See also a longer explanation by Collins in his letter, which can be found at Cl.P/24/38.
    Transcription
    In the 2d Probleme
    quote the 8 Prop lib 2 Conicorum Apollon
    and let the latter Citation
    be 43 Prop Lib 3 Conicorum Apollonii
    Transcribed by the Making Visible project
    Related fellows
    John Collins (1625 - 1683, British) , Mathematician, Mathematician
    Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
    Associated place
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