Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Ernest Rutherford, OM, FRS Asks Sir Ernest Rutherford if he will give a 15 minute talk at the Soiree as a Meeting Room demonstration, about the films Rutherford recently exhibited at the Royal Institution. Informs him that at the Soiree Committee Sir Robert Robertson mentioned possibly getting Professor McBain from Bristol to lend his film illustrating Brownian motion. 8 April 1925