Referee's report by George Downing Liveing, on a paper 'On the ultimate lines, and the quantities of the elements producing these lines, in spectra of the oxyhydrogen flame and spark' by Walter Noel Hartley and Henry Webster Moss Sectional Committee: Physics and Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests corrections for some of the arithmetic. Considers the paper rather loose but with valuable observations. [Published in the 'Proceedings of the Royal Society of London', 1912] Endorsed on verso as received 20 April 1912. 19 April 1912