Folders B.1-B.10: Penicillin. Papers on spectroscopic studies of penicillin and related compounds carried out in Oxford for the Committee for Penicillin Synthesis (CPS) by Richards and H.W. (later Sir Harold) Thompson at the end of the Second World War. Carbon copies. Folder B.1: 'Infra-red measurements on pencillin and related compounds' by H.W. Thompson and R.E. Richards, 29 January 1945. 3pp. 'Summary of spectroscopic work on penicillin at Oxford' by Thompson and…