Referee's report by Ernest Frederick Relf, on a paper 'The similarity theory of turbulence, and flow between parallel planes and through pipes' by Sydney Goldstein Sectional Committee: Engineering Sciences Recommended for publication in the 'Proceedings of the Royal Society of London'. If this and a similar paper by Geoffrey Ingram Taylor [RR/62/49] are accepted, these should appear together. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 18 November 1936. [November 1936]