Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Arthur Schuster, Secretary of the Royal Society 'Paper by L Silberstein on "Radiation from a spherical source and the distribution of energy in the normal spectrum". Mr Jeans sends a distinctly adverse report on this paper. His reasons against publication are given on the annexed sheet, which is sent in original. Will Prof Schuster kindly return it and say whether a further opinion should be obtained. Mrs Ayrton's paper. Prof Lamb reports in favour of publication. He says "the experiments are interesting and simple, whatever the interpretation, and should I think be recorded".' 30 March 1915