Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Frederick S. Spiers,] the Secretary of the Institute of Phsyics; 10 Essex Street, W.C.2. Approves the Secretary's request to book the Society's Meeting Room and Ante Room on May 23rd, 5pm, for the Institute of Physics. Notes that a small charge is now made to cover expenses in connection to loaning rooms; two guineas for the Meeting Room and one for the Ante Room. 25 April 1922