Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Robert] S. Whipple Esq.; Cambridge Instrument Company Makes arrangements for the Cambridge Instrument Company to exhibit the gas analysis exhibit and a new accelerators for motor cars exhibit at the Ladies Soiree (22 July), and at another Soiree in connection with the 250th Anniversary of the founding of Greenwich Observatory (23 July). 30 June 1925