Referee's report by James Chadwick, on a paper 'Secondary electronic emissions from metal foils and animal tissues' by William Valentine Mayneord Sectional committee: Physics Recommended for publication in Proceedings, with modifications. The measurements are valuable but the presentation of them is inadequate. It should instead be written on a 'strict physical basis'. [Published in Proceedings of the Royal Society A, 1930]. Endorsed on verso as received 13 March 1930. May 1930