Referee's report by Nevil Vincent Sidgwick, on a paper 'The determination of dipole-moments by the method of dilute solutions. I. Experimental methods and the calculation of results' by M A G Rau and B N Narayanaswamy Sectional committee: Chemistry Not recommended for publication in Proceedings. It contain nothing new 'either in theory or practise'. The calculations are 'only a restatement of arguments that have been used before'. Modifications are required. [Not published]. Endorsed on verso as received 21 September 1933. September 1933