Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Henry [George] Lyons, R. E., FRS Asks for an alternative date for the Gassiott Committee Meeting as the Council will be meeting on 19 January 1928. Gives the addresses of the members of the National Committee for Geodesy and Geophysics, who are Dr. [Henry Homan] Jeffcott, Dr. J. E. Crombie and Prof. [John James] Nolan. 2 January 1928