Referee's report by James Chadwick, on a paper 'A new process of negative ion formation' by F L Arnot and J C Milligan Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Recommends the paper be read before the Royal Society, as there 'are some nice points...which should prove of general interest'. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 18 April 1936. [April 1936]