Referee's report by Frank Philip Bowden, on a paper 'Explosion waves and shock waves. VII.The velocity of detonation in cast T.N.T' by W B Cybulski, W Payman and D W Woodhead Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London', but only section I. Suggests developing the theoretical implications of the work. Refers to theory of H Jones. Section II of the paper, by F J Llewellyn and W O Williamson, is of important technical value but little scientific interest, and should be published elsewhere. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1948]