Copy of referees' comments 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 Paper reference code: A40 Anonymised referee comments to be provided to the authors of the paper [copies of comments made by Harry Work Melville and Alfred Charles Glyn Egerton. See RR/75/41 and RR/75/42]. [Published in Proceedings A, 1951]. Date received not given. [1951]