Referee's report by Harry Work Melville, on a paper 'Flame propagation in mixtures of combustible gases. I. The effects of organic substances on the upper limits of inflammability of some hydrogen-carbon monoxide-air mixtures' by G Dixon-Lewis and J W Linnett Sectional committee: Chemistry Paper reference code: A40 Recommended for publication in the Proceedings. Melville remarks the paper is too long. [Published in Proceedings A, 1951]. Date received not given. 26 February 1951