Correspondence between Robert William Ditchburn and the Royal Society General correspondence following Ditchburn's election to the Royal Society: arrangements for his admission, fees and reprints. With a letter from Ditchburn to the Society's President, commending David Martin, and noting the space problems the Society is likely to encounter. Mainly letters to and from the Assistant Secretary, David Christie Martin. The original file featured the typed name and address: 'Professor R.W. Ditchburn, F.R.S., 14 Betchworth Avenue, Earley, Reading, Berks.'. 15 March-18 April 1962