Referee's report by Geoffrey Ingram Taylor, on a paper 'Viscosity of liquid sodium and potassium' by Y S Chiong Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper is excellent and well expressed. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 23 July 1936. [July 1936]