Referee's report by Cyril Norman Hinshelwood, on a paper 'Dielectric properties of dipolar substances' by Herbert Fröhlich and R Sack Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Cannot give an expert opinion on the mathematical calculations. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1943]