Credit: ©The Royal Society
    Image number: RS.14312

    Diagrams relating to John Wallis's review of Nicolas Mercator's Logarithmotechnia

    Date
    5 August 1668
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p5
    Material
    Dimensions
    height (page): 360mm
    width (page): 230mm
    Subject
    Description
    The first diagram relates to John Wallis's paper commenting on Nicolas Mercator's Logarithmotechnia in his letter to Henry Oldenburg dated 8 July 1668 (EL/W1/50), read to the Royal Society on 16 July 1668.

    The second diagram illustrates Wallis's method of finding the sums of logarithms, from his letter to William Brouncker dated 5 August 1668 (EL/W1/59).

    Both were printed as part of John Wallis's review of Nicolas Mercator's Logarithmotechnia in Philosophical Transactions, vol. 3, no. 38 (August 1668).

    These were copied in RBC/3/086.
    Object history
    At the meeting of the Royal Society on 16 July 1668, ‘Mr. Oldenburg produced a paper in Latin of Dr. Wallis, dated at Oxford July 8, 1668, commending Mr. Nicholas Mercator’s Logarithmo-technia, lately printed, and making the quadrature of the hyperbola universal to all hyperbolas, with a desire, that since by this means the quadrature of the hyperbola was now so complete, as that scarce a better could be expected, and this work perfected by members of the society, this letter might be entered in their Register-Book, the more effectual to declare the invention their’s [sic]. It was read, and ordered to be registered accordingly' (Birch 2:306).

    Printed in John Wallis, 'Review (July 1668) of Logarithmotechnia Nicolai Mercatoris, and his own demonstration of infinite series', Phil. Trans. vol. 3, no. 38 (August 1668), pp. 753-64, with woodcut diagrams at p. 756.
    Related fellows
    John Wallis (1650, British) , Mathematician
    William Brouncker, 2nd Viscount Brouncker of Lyons (1620 - 1684, British) , Mathematician
    Nicolas Mercator (1614 - 2001, British) , Mathematician
    Associated place
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