Referee's report by George Carey Foster, on two papers 'Electrodynamic qualities of metals.—Part VII. Effects of stress on the magnetization of iron, nickel, and cobalt' by William Thomson, 1st Baron Kelvin and 'Measurements of electrical constants. No. II. On the specific inductive capacities of certain dielectrics. Part I' by J E H Gordon First paper - Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Suggests an explanation is required of the experiments on longitudinal stress. Subject: Physics and Chemistry [Published in the Philosophical Transactions of the Royal Society, 1879] Second paper - Recommended for publication in the 'Philosophical Transactions of the Royal Society', once the corrections to the calculations have been made. Requests to know the 'substance' of the second referee's report on the paper. Subject: Physics and Chemistry [Published in the Philosophical Transactions of the Royal Society, 1879] 25 July 1878