Copy letter from H. W. Robinson, Library Assistant of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS Regretfully informs Lord Rayleigh [Robert John Strutt] that he cannot find Mr, Brudenell Carter's letter of 1890, that it might be with the Colour Vision Committee papers but these are not to be foud, and that he will pass the enquiry on to Mr [Francis Alexander] Towle when he returns from holiday. 28 August 1923