Referee's report by Herbert Jackson, on a paper 'Polish on metals' by R C French Sectional committee: Physics Recommended for publication in Proceedings, in full. It is an interesting paper which has brough forward definite evidence of th changes that occour in the structure of surface layers. There are some typographical errors that require correction. [Published in Proceedings of the Royal Society A, 1933]. Endorsed on verso as received 17 January 1933. January 1933