Referee's report by John William Strutt, Lord Rayleigh, on a paper 'On the variation of the electromotive force of different forms of the Clark standard cell with temperature and with strength of solution' by Hugh Longbourne Callendar and Howard Turner Barnes Recommended for publication in Proceedings. The experiments were carefully and skillfully carried out. It should be published in Proceedings, even though the the length will exceed the usual standard. Subject: Physics [Published in Proceedings of the Royal Society, 1897]. 17 March 1897