Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS Informs Sir Richard [Tetley] Glazebrook of the 'scant courtesy' of the National Physical Laboratory's Aeronautical Research Committee. Notes that, on two occassions now, arrangements have been made to loan a room to this Committee for their meetings, and that these have subsequently been cancelled without any notice given. 22 February 1921