Letter from John David Griffith Davies, to Marcus Laurence Elwin Oliphant, regarding a paper 'The phosphorescence of various solids' by John Turton Randall and Maurice Hugh Frederick Wilkins Sectional Committee: Physics The paper has been passed for printing, subject to a minor criticism. It may be necessary to withold publication in case the information may be of use to the enemy. Are the authors willing to adopt the recommendations of the referee? [Published in the 'Proceedings of the Royal Society of London'] No received date. 7 February 1940