Referee's report by William Harold Joseph Childs, on a paper 'Investigations of infra-red spectra (2.5—7.5µ). Absorption of water' by John Jacob Fox and A E Martin Sectional Committee: Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests condensing the paper, especially as regards the details of the experimental method. Refers to work of E K Plyler, W W Sleator and Mecke. Notes some points requiring clarification. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 17 October 1939. [October 1939]