Credit: © The Royal Society
    Image number: RS.9087
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    Lord Rosse's telescope at Birr Castle, Ireland

    Date
    ca. 1861
    Creator
    Countess Mary of Rosse (1813 - 1885, British) , Photographer
    Object type
    Archive reference number
    Material
    Technique
    Dimensions
    height (print): 84mm
    width (print): 174mm
    Subject
    Content object
    Description
    Stereoscopic photograph used to produce Plate 24 figure 9 for the paper "On the construction of specula of six-feet aperture; and a selection from the observations of nebulae made with them", by William Parsons, 3rd Earl of Rosse, Philosophical Transactions of the Royal Society, volume 151 (1861) pp.681-746. Study of the crane carrying the eastern counterpoise of the great telescope. The image shows the guide wheel, pulley system and other features; to the right of the image is the main tube of the telescope almost at zenith.
    Object history
    This photograph was supplied for reproduction in the journal Philosophical Transactions of the Royal Society.
    Associated place
    <The World>
       > Europe
          > Ireland
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