Letter from Sir Henry George Lyons to Sir William Bragg, The Royal Society Forwards a report on the more important changes which have been carried out with the Council's approval during his Treasurership. Has endeavoured to indicate the reasons for these changes and the results since these do not usually appear in the Minutes of Council. Annotated 'see 1940 Year Book. Council Report. Appendix 'A''. 1 November 1939