Referee's report by William Duddell, on a paper 'The consumption of carbon in the electric arc. I - Variation with current and arc-length. II. - Influence upon the luminous radiation from the arc' by W Geoffrey Duffield Sectional committee: Physics and chemistry Recommended for publication in Proceedings, tables should be omitted and it should be published in 'short abstract'. [Published in Proceedings of the Royal Society A, 1915]. Endorsed on verso as received 4 August 1915. August 1915