Referee's report by John Allen Harker, on a paper 'The consumption of carbon in the electric arc - Part VI - Alternating current' by W S Duffield and Mary D Waller Sectional committee: Physics and chemistry Not recommended for publication in Philosophical Transactions or Proceedings, as it is 'a little outside the limits of the Society's field of work'. [Not published]. Endorsed on verso as received 22 February 1916. February 1916