Copy letter from Herbert Rix, to Professor Joseph John Thomson, Fellow of the Royal Society 'Dear Sir, Mr Burbury's paper, which is in your hands, has with it a MS. [manuscript] abstract. Will you let us have this abstract back at once? We are to put it into type for the first meeting. Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 6 November 1891