Copy letter from Michael Foster, to the Secretary, United Telephone Company, Oxford Court, Cannon Street, E.C. 'I have the pleasure to inform you that at their last meeting the President & Council of the Royal Society passed a special vote of thanks to the United Telephone Company for the courtesy shown and trouble taken in exhibiting at the Conversazione recently held here. I am, Sir, your obedient Servant, (signed) M. Foster. Sec. RS. [Secretary, Royal Society]'. 29 June 1887