Credit: ©The Royal Society
    Image number: RS.16638

    Watch mechanism

    Date
    15 November 1675
    Creator
    John Flamsteed (1646 - 1719, British) , Astronomer
    Object type
    Archive reference number
    Manuscript page number
    f10 p2r
    Material
    Dimensions
    height (page): 310mm
    width (page): 200mm
    Subject
    Description
    A figure of a spring applied to an old watch by Sir Jonas Moore, in which by moving the pointer at 'p' the speed of the watch may be adjusted. This was included in a letter by John Flamsteed to Richard Towneley dated 15 November 1675.
    Transcription
    The spring is a very thin one.
    Transcribed by the Making Visible project
    Related fellows
    John Flamsteed (1646 - 1719, British) , Astronomer
    Jonas Moore (1617 - 1679, British) , Mathematician
    Robert Hooke (1635 - 1703, British) , Natural philosopher
    Associated place
    <The World>
       > Europe
          > United Kingdom
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