Referee's report by Alfred Fowler, on a paper 'A new band system of carbon monoxide (31S - 21P), with remarks on the Ångström band system' by R C Johnson and R K Asundi Sectional committee: Physics Recommended for publication in Proceedings, in full. The paper contains a 'considerable amount of careful experimental work'. [Published in Proceedings of the Royal Society A, 1929]. Endorsed on verso as received [February] 1929. 2 February 1929