Referee's report by Thomas Smith, on a paper 'The penetration into the sea of light of various wave-lengths as measured by emission or rectifier photo-electric cells' by Horace H Poole and William Ringrose Gelston Atkins Sectional committee: Physics Not recommended for publication in it's present form. The paper requires heavy reduction, as only about a fifth of the paper is necessary. The references are not in accordance with present regulations.Even if the paper is modified, it still may not be suitable for Proceedings as it doesn't make a substantial addition to natural knowledge. [Published in Proceedings of the Royal Society B, 1937]. Endorsed on verso as received 18 February 1937. February 1937