Copy letter from D M [David Christie Martin], Assistant Secretary of the Royal Society, to Sir Alfred Egerton, Secretary of the Royal Society, Imperial College of Science and Technology, SW7 Martin encloses a letter to Tyndall for Egerton to sign. With regard to the Defence Research Facilities Committee, he asks Egerton to suggest dates for the discussion of the proposal. He asks Egerton to handle the question of the discussion with the Institute of Mechanical Engineers on the subject of the National Committee for Theoretical and Applied Mechanics, which needs to be cleared up before the next Council meeting. 8 October 1948