Referee's report by Geoffrey Ingram Taylor, on a paper 'An electrical detector of condensation in high-velocity steam' by Alfred Maurice Binnie and J R Green Sectional Committee: Engineering Recommended for publication in the 'Proceedings of the Royal Society of London'. Discusses the changes in friction experienced at the wire. Enclosed letter to Alfred Charles Glyn Egerton. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 10 October 1941. 5 November 1941