Note from Alfred Charles Glyn Egerton, on a paper 'Flame propagation in mixtures of combustible gases. II. Some properties of mixtures of hydrogen, organic substances and air at their upper limits of inflammability' by G Dixon Lewis and J W Linnett Paper reference code: A41 Egerton now recommends the paper to be published in the Proceedings. [Published in Proceedings A, 1951]. Endorsed on recto as received 24 July 1951. 20 July 1951