Referee's report by Andrew Gray, on a paper 'A new current weigher and a determination of the electromotive force of the normal Weston cadmium cell' by William Edward Ayrton, Thomas Mather and Frank Edward Smith Sectional Committee: Physics and Chemistry Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. Considers the number of illustrations will be costly to reproduce, but cannot see a way to reduce their number without considerable rearrangement of the paper. [Published in the Philosophical Transactions of the Royal Society] Endorsed on verso as received 19 July 1907. 18 July 1907