Referee's report by William Ringrose Gelston Atkins, on a paper 'The determination of the depths and extinction coefficients of shallow water by air photography using colour filters' by J Grange Moore Sectional committee: Physics Recommended for publication in Philosophical Transactions. Some parts should be deleted and numerous modifications are required. [Published in Philosophical Transactions A, 1947]. Endorsed on verso as received 1 April 1946. Letters states that a previous paper of a similar subject was posted in Philosophical Transactions 'B', it and this paper both belong in 'A'. He regrets that it has taken him a month to look over the paper but it is long and he has been busy. 10 April 1946