Referee's report by John Allen Harker, on a paper 'The electrical ignition of gaseous mixtures' by W M Thornton Sectional Committee: Physics and Chemistry Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. Suggests publication in the Proceedings. The paper might be made suitable for the Philosophical Transactions if shortened in places. The style is similar to a paper by an engineer. Suggests publishing the experimental description in full, but shortening the speculative section. [Published in the 'Proceedings of the Royal Society of London', 1914] Endorsed on verso as received 26 February 1914. [February 1914]