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Published online by Cambridge University Press: 25 April 2016
The discovery of southern double stars carried out at Bloemfontein by Dr R. A. Rossiter and his collaborators with the 27-inch Lamont refractor has recently been brought to a close. The total number of new pairs found in this way and published now amounts to 5252. It is a great satisfaction to know that Dr Rossiter has been enabled to complete his work by micrometrical measures of these objects. Only in this way can full value be given to our knowledge of these new pairs.