Credit: ©The Royal Society
    Image number: RS.15302

    Diagram

    Date
    c. December 1685
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p11
    Material
    Dimensions
    height (page): 285mm
    width (page): 206mm
    Subject
    Description
    Diagram entitled 'The rhombs of ye plain chart' accompanying Robert Hooke's account of Richard Norris's The manner of finding of the true sum of the infinite secants of an arch, by an infinite series (London, 1685), read to the Royal Society on 2 December 1685.
    Object history
    At the meeting of the Royal Society on 18 November 1685, 'There being presented some observations of Dr. Wallis upon a book of Mr. Richard Norris concerning his manner of finding the true sum of the infinite secants of an arch of an infinite series, the papers were put into Mr. Hooke's hands to read over, and make a report of them at the next meeting' (Birch, 4:434).

    2 December 1685, 'Mr. Hooke read a paper of observations upon Mr. Norris's book, wherein he declared, that he had formerly shewn a way for describing the rhumb-line and some other things relating to navigation: and that he had perused Dr. Wallis's observations upon Mr Norris's book' (Birch, 4:447).
    Related fellows
    Robert Hooke (1635 - 1703, British) , Natural philosopher
    Associated place
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          > United Kingdom
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