Referee's report by Robert Robertson, on a paper 'Investigations in the infra-red region of the spectrum. Part X.?The asymmetrical molecule nitrosyl chloride, NOCl' by C R Bailey and A B D Cassie Sectional committee: Physics Recommended for publication in Proceedings, in full. The authors should be asked to reconsider their view that absorption curves aren't necessary to be produced. It is 'unusualy to omit these'. [Published in Proceedings of the Royal Society A, 1934]. Endorsed on verso as received 6 February 1934. 3 February 1934