Credit: ©The Royal Society
    Image number: RS.12566

    Binocular microscope eyepieces

    Date
    Post 1913
    Creator - Organisation
    Object type
    Archive reference number
    Material
    Dimensions
    height (object): 155mm
    width (object): 105mm
    depth (object): 35mm
    height (box): 79mm
    width (box): 174mm
    depth (box): 188mm
    Content object
    Description
    Commercially manufactured binocular microscope oculars and head, with four lenses, in an original case.

    The instrument has been engraved with the maker’s mark ‘Ernst Leitz Wetzlar’ on a circular black enamelled plate. Each of two paired lenses (designated ‘1’ and ‘3’) are similarly marked.

    The main object and accessories are contained in a tan leather box with a crimson velvet lining and a padded silk lining to the inner lid. The company name ’E.Leitz, Wetzlar.’ appears on the lid top, in gilding. A later Royal Society classification ‘Z.R.S.1’ has been glued above the maker’s mark.

    Ernst Leitz GmbH (est.1869) German instrument making company specialising in optical systems was founded by Ernst Leitz I (1843–1920). The company, based at Wetzlar in the state of Hesse, Germany, made microscopes and introduced a fully binocular system in 1913.
    Object history
    Exact provenance unknown. Possibly the microscope mentioned in the Royal Society conversazione programme, 13 May 1914, p.14, exhibit 32: 'Mr. E. Leitz. A new binocular microscope.'
    Associated place
    <The World>
       > Europe
          > Germany
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