Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs Houseman & Co.; 6 New Court, W.C.2. Acknowledges receipt of Messrs Houseman & Co.'s cheque for £3 in respect of Mr. [Henry Nicholas] Ridley's annual subscription. Informs them that the subscription is now £5 per annum, and that Mr. Ridley recently paid this amount to Messrs Coutts & Co. via a standing order. 9 April 1921