Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to M. le Secretaire General, Union Internationale de Physique, 45 Rue d'Ulm, Paris [France] Informs the decision of the Council, with the recommendation of the National Committee for Physics, to appoint Sir Richard Glazebrook and Dr. [Ezer] Griffiths. They will form the British Delegate to the General Assembly of the International Union of Physics to be held in Brussels [Belgium] in July [1931]. Gives the addresses of the 2 delegates. 22 June 1931