Two letters signed by George Biddell Airy thanking for items borrrowed from Captain Toynbee and John Murray.
Two letters from George Airy, one letter from Flamstead House, Greenwich 16 January 1872 to Captain Henry Toynbee returning the captain's account of the cyclone of October 1864. Second letter from Royal Observatory, Greenwich, 1 February 1876 to John Murray thanking for the copy of Miss Caroline Herschel's memoirs and about meeting her when she was 96 and describing her as 'still vivacious'.