Copy letter from Herbert Rix, to the Directeur de la Revue etc, 8 Rue Violet, Paris 'Sir, Adverting to your letter of January 30, 1888, I am now at length able to inform you that the Council of the Royal Society have resolved to place the "Revue International de l'Electricité" upon their Exchange list, and that the 'Proceedings of the Royal Society' will in future be posted to you as issued. Yours faithfully, Herbert Rix, Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 23 July 1888