Referee's report by Hugh Longbourne Callendar, on a paper 'The discharge of gases under high pressures' by L Hartshorn Sectional Committee: Physics and Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. Refers to work by John William Strutt, 3rd Baron Rayleigh. [Published in the 'Proceedings of the Royal Society of London' A, 1918] Endorsed on verso as received 16 October 1917. [October 1917]