Letter from John Turton Randall, to John David Griffith Davies, regarding a paper 'The phosphorescence of various solids' by John Turton Randall and Maurice Hugh Frederick Wilkins Sectional Committee: Physics Encloses corrected proofs. Requests to know whether the paper will be printed shortly or withheld until after the war. Does not think the paper contains information of value to the enemy, and the lengthy summary has already been printed in the Proceedings. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 5 April 1940. 3 April 1940