Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Lord Rayleigh [Robert John Strutt], Chairman of the Physics Committee and FRS Informs the Lord Rayleigh that his papers, 'Studies of iridescent colour and the structure of producing it' parts I and II, are down for reading on February 8th. Asks if this is convenient for him or if he would prefer to postpone it to a later date. 23 January 1923