Referee's report by James Chadwick, on a paper 'The ß-ray spectrum of Ra E' by Leslie Harold Martin and Albert Alan Townsend Sectional committee: Physics Recommended for publication in Proceedings. Further experiments are needed. If the authors were in England, he would suggest sending the paper back to them to modify the doubtful points of the paper. However, they are in Australia, so the paper should be printed. [Published in Proceedings of the Royal Society A, 1939]. Endorsed on verso as received 11 October 1938. October 1938