Credit: ©The Royal Society
    Image number: RS.14376

    Rule for calculating the pressure of water in a pipe

    Date
    4 July 1683
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p71
    Material
    Dimensions
    height (page): 365mm
    width (page): 230mm
    Subject
    Physics
       > Vacuum physics
          > Pneumatics
    Description
    A figure illustrating how to calculate (and reduce to feet and inches) the pressure of the water in any pipe, according to Robert Hooke, who reported it to the meeting on 4 July 1683.
    Object history
    At the meeting of the Royal Society on 4 July 1683, ‘Mr. Hooke shewed the rule for calculating the pressure of water in a pipe. He shewed likewise a way to find the true comparative expansion of any metal, when melted’ (Birch 4:213). Both papers were registered without an explicit order.

    The text and the figure (direction rotated) were published in Robert Hooke, Philosophical Experiments and Observations, ed. by W. Derham (1726), pp. 91-95 (figure at p. 92).
    Related fellows
    Robert Hooke (1635 - 1703, British) , Natural philosopher
    Associated place
    <The World>
       > Europe
          > United Kingdom
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