Referee's report by John Ambrose Fleming, on a paper 'On the electrical conductivity of magnetite' by Ernest Wilson and [Edward Felix] Herroun Sectional Committee: Physics Not recommended for publication in the 'Proceedings of the Royal Society of London'. There are no general conclusions but the record is interesting. [Published in the 'Proceedings of the Royal Society of London' A, 1924] Endorsed on verso as received 29 January 1924. [January 1924]