Referee's report by John Edward Lennard-Jones, on a paper 'Electrosmosis between plane parallel walls produced by high-frequency alternating currents' by Louis Rosenhead, J C P Miller and J J Bikerman Sectional committee: Physics Recommended for publication in Proceedings, in full. He cannot be sure if the mathematical formulation of the problem corresponds to the facts though it seems to be correct. The paper should be referred to a physical chemist. [Published in Proceedings of the Royal Society A, 1937]. Endorsed on verso as received 19 August 1937. 17 August 1937