Referee's report by Charles Drummond Ellis, on a paper 'Emission of metallic ions from oxide surfaces. I.—Identification of the ions by mobility measurements' by Luang Brata Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. If time permits, this and the following paper [RR/49/37] should be read, but if time it short they should be read in title only. [Published in the 'Proceedings of the Royal Society of London' A, 1933] Endorsed on verso as received 23 March 1933. [March 1933]