Copy letter from Herbert Rix, to the Clerk of the Council, London County Council Office, Spring Gardens 'Sir, I have the honour to acknowledge receipt of your letter (W & M.C. 27.4/32.18) May 1, 1891, which shall be laid before the Officers of the Royal Society at the earliest opportunity. I am, your obedient servant, Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 2 April 1891