Abstract
IN order that the microscope objectives of different makers might be interchangeable for use with the microscope stands of other makers, the Royal Microscopical Society of London drew up in 1858 a specification for the screw thread of objective and of nosepiece. This specification was revised in 1896, 1915 and 1924, and in its final form has been generally adopted by microscope makers at home and abroad. In view of the increasing use of apparatus above the eyepiece, a committee of the Society has now drafted specifications of standard sizes for the external diameter of the eyepiece end of the draw-tube and limits for the outside diameter of the eyepiece shoulder; these have been adopted by the Council of the Society and are detailed in the December issue of its journal (J. Roy. Micro. Soc, 56, 377-380; 1936).
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Standardisation of Microscope Fittings. Nature 139, 665 (1937). https://doi.org/10.1038/139665b0
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DOI: https://doi.org/10.1038/139665b0