Referee's report by Charles Sykes, on a paper 'The thermal etching of silver' by B Chalmers, R King and R Shuttleworth Sectional committee: Chemistry Recommended for publication in Proceedings. The first six pages should be reduced. One of the figures in unconvincing and should be improved. One of the sections is highly speculative and could be reduced in length. [Published in Proceedings of the Royal Society A, 1948]. Date received not given. 1947