Credit: ©The Royal Society
    Image number: RS.15868

    Double-bottomed ship

    Date
    15 November 1662
    Creator
    Unknown, Artist
    After
    William Petty (1623 - 1687, British) , Natural philosopher
    Object type
    Archive reference number
    Manuscript page number
    p1
    Material
    Dimensions
    height (page): 294mm
    width (page): 177mm
    Subject
    Content object
    transport
       > boat
    Description
    Figure of a stern piece in the margin of a page in a letter from William Petty to William Brouncker dated 15 November 1662, Dublin. The letter concerns the development of Petty's new ship (a kind of catamaran), for which 'tayles' or 'sterne pieces' had been fitted. The ship was 30 feet long, and the mast was 28 feet.
    Object history
    At the meeting of the Royal Society on 19 November 1662, ‘Mr. Graunt to communicate an extract of Sir William Petty's letter concerning the new fashioned ship, together with a model of it, at the next meeting’ (Birch 1:126).

    On 26 November 1662, ‘Sir William Petty’s second letter to the lord viscount Brouncker was read, giving a farther account of his new ship; as also an extract of another letter of his to Mr. Graunt, who was desired to let Sir William know, that the society was well pleased with the invention’ (Birch 1:131).
    Related fellows
    William Brouncker, 2nd Viscount Brouncker of Lyons (1620 - 1684, British) , Mathematician
    William Petty (1623 - 1687, British) , Natural philosopher
    John Graunt (1620 - 1674, British) , Statistician
    Associated place
    <The World>
       > Europe
          > Ireland
    <The World>
       > Europe
          > United Kingdom
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