Referee's report by Geoffrey Ingram Taylor, on a paper 'The behaviour of three single crystals of aluminium in fatigue under complex stresses' by H L Cox and W J Clenshaw Sectional Committee: Engineering Sciences Recommended for publication in the 'Proceedings of the Royal Society of London'. Criticises the lack of measurement of deformation, which should be corrected. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 13 December 1934. [December 1934]