Referee's report by John Desmond Bernal, on a paper 'The measurement of particle size by the X-ray method' by Frederic Wood Jones Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Does not feel competent to check the author's work on the Max Theodor Felix von Laue formulae. Suggests submitting the paper to another referee, such as Paul Peter Ewald. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 19 November 1937. [November 1937]