Letters from J D Griffith Davies, Assistant Secretary of the Royal Society on two papers 'Phosphorescence and electron traps - I. The study of trap distributions' and Phosphorescence and electron traps II. The interpretation of long-period phosphorescence' by John Turton Randall and Maurice Hugh Frederick Wilkins to various recipients Asks if they would like a copy of the paper. Each paper costs two shillings. Recipients include the Air Ministry, the Ministry of Home Security Reseach, the Admiralty and the Ministry of Supply. [Both papers published in Proceedings of the Royal Society A, 1945]. 17 January 1941