Referee's report by Arthur Mannering Tyndall, on a paper 'Electron transfer in argon' by F L Arnot and W D Hart Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests shortening the paper in places, suggests some areas for omission. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 22 March 1939. [March 1939]