Referee's report by Louis Napoleon George Filon, on a paper 'Relaxation methods applied to engineering problems. II. Basic theory, with applications to surveying and to electrical networks, and an extension to gyrostatic systems' by A N Black and Richard Vynne Southwell Sectional committee: Engineering Recommended for publication in Proceedings, subject to alterations. Most of the paper isn't important enough for publication by The Royal Society. However, it contains two important advances. The paper could be shortened accordingly. The general theorum should be established then the three types of applications could be briefly mentioned. [Published in Proceedings of the Royal Society A, 1938]. Endorsed on verso as received 9 August 1937. August 1937