Referee's report by Geoffrey Ingram Taylor, on a paper 'On “light body” hydrophones and the directional properties of microphones' by A B Wood and F B Young Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests omitting some of the illustrations. [Published in the 'Proceedings of the Royal Society of London' A, 1921] Endorsed on verso as received 26 April 1921. 23 April 1921