Referee's report by Ernest Rutherford, on a paper 'The photo-electric discharge between metallic surfaces' by W Mansergh Varley Sectional Committee: Physics and Chemistry Recommended for publication in Philosophical Transactions. Discusses a modification to make the separate tables comparable. All the illustrations should be reproduced. Notes a reference should be given on page 25 to the statement of theory on which the following remark is based; 'ionization by collision should commence'. Notes additional data on the approximate saturation currents for air at low temperatures should be given. Annotated to indicate suggestions which should be sent to the author. [Published in the Philosophical Transactions A, 1904]. Endorsed on verso as received 3 June 1903. June 1903