Third letter from Maurice Hugh Frederick Wilkins, regarding a paper 'Short period phosphorescence and electron traps' by G F J Garlick and Maurice Hugh Frederick Wilkins Sectional Committee: Physics Received proofs from Nevill Francis Mott. Returns a copy of the page proofs, as no further corrections are required. Believes that more than one copy, possibly six copies, are required by each author, so that they can send copies direct to those that require them. John Turton Randall should also have at least one copy. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 15 December 1943. 13 December 1943