Notebook inscribed 'Rex E Richards St John's Coll, Oxon. Notes. December 1943' The notebook is paginated 1-306 (not all pages used) with a contents list on pp.1-2, and there are entries dated between 20 December 1943 (p.4) and 27 May 1946 (p.266) though the arrangement is not strictly chronological. Chemistry Part II and postgraduate work. Includes notes on 'secret' penicillin work 1944-1945, (pp.200-219), and notes on a postgraduate lecture and seminar by C.A.…