Referee's report by Thomas Edward Stanton, on a paper 'The energy in air, steam and carbon dioxide from 100C to 2000C' by W D Womersley Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Refers to 'the late' Professor Hopkinson [Bertram Hopkinson or John Hopkinson?], whose work has already described the methods used in the current paper. Suggests reducing the paper and omitting some of the appendices due to their having no bearing on the main subject of the paper. [Not published] Endorsed on verso as received 21 October 1921. 19 October 1921