Referee's report by James Chadwick, on a paper 'Precise measurements of the energies of ß-rays from radium (B + C)' by A F A Harper and N F Roberts Sectional committee: Physics Recommended for publication in Proceedings. One of the footnotes should be reworded. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in Proceedings of the Royal Society A, 1941]. Date received not given. 1940