Correspondence between William Jolly Duncan and the Royal Society General correspondence following Duncan's election to the Royal Society, largely on updating his publications at regualr intervals. Letters to and from the Assistant Secretary, David Christie Martin, and the Librarian, Igor Kaye. The original file featured the typed name and address: 'Professor W.J. Duncan, C.B.E., F.R.S., James Watt Laboratories, The University, Glasgow, W.2'. 26 July 1947-23 November 1960