Referee's report by Robert Whytlaw-Gray, on a paper 'Diffusion and flow of gases and vapours through micropores. I. Slip flow and molecular streaming' by P C Carman Sectional committee: Physics Paper reference code: A23 Recommended for publication in Proceedings: 'a valuable experimental study'. [Published in Proceedings A, 1950]. Endorsed on recto as received 3 April 1950. 1950