Referee's report by John Douglas Cockcroft, on a paper 'Distribution of magnetic field around simply and multiply connected supraconductors' by H Grayson Smith and J O Wilhelm Sectional committee: Physics Recommended for publication in Proceedings, in full. The experiments are of considerable interest. Information about the field strength should re-evaluated and they should state what self-induction would be. [Published in Proceedings of the Royal Society A, 1936]. Endorsed on verso as received 8 June 1936. 20 June 1936