Referee's report by William Edward Garner, on a paper 'Birth and growth of explosion in liquids and solids initiated by impact and friction' by Frank Philip Bowden and O A Gurton Sectional committee: Chemistry Recommended for publication in Proceedings. It is an excellent paper but is too long. The figures are self-explanatory and all relevant information should be given in the legends of the figures, rather than in the text. The summary should be shortened. [Published in Proceedings of the Royal Society A, 1949]. Date received not given. 1949