Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, Chairman of the Physics Committee and FRS Informs Sir Richard [Tetley] Glazebrook that the notice of the Unveiling of the Rayleigh Memorial has gone to press and he has sent letters to all the donors in his account book, minus a few whose addresses could not be traced, namely: Adrian, Lewis, Field, Briggs and Gross. Asks Sir Glazebrook to provide these. 2 November 1921