Referee's report by John William Strutt, Lord Rayleigh, on a paper 'On a new method of driving off poisonous gases' by Hertha Ayrton Sectional Committee: Applied Sciences Recommended for publication in the 'Proceedings of the Royal Society of London'. The diagrams should be published, but possibly not the photographs. Very desirable that the paper be published at the present time. [Published in the 'Proceedings of the Royal Society of London' A, 1919] Endorsed on verso as received 27 November 1917. [November 1917]