Referee's report by Philip Ivor Dee, on a paper 'Preparation and properties of a reproducible neutron standard' by E Bretscher, G B Cook, G R Martin and D H Wilkinson Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper may also be suitable for the Journal of Scientific Instruments or the Proceedings of the Physical Society, due to the wholly technical character of the paper. Suggests some minor alterations to the text. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1948]