Comprises documents relating to Sir John Lionel Simonsen.
- Carved wooden casket presented to Professor Simonsen by his students at the Indian Institute of Science, Bangalore, c. 1928
- File of newspaper cuttings etc., including obituary notices from The Times (21 February 1957); Journal of the Royal Society of Arts (no. 4998, vol. cv, 1 March 1957); Proceedings of the Chemical Society (March 1958) and Biographical Memoirs of Fellows of the Royal Society (vol. 5, February 1960), 1943 - 1960
- Citation of Sir John Simonsen for the Davy Medal awarded to him by the Council of the Royal Society, 1950
- Certificate of the degree of Doctor of Science awarded to Sir John Simonsen by the University of Malaysia, 1953