Correspondence regarding the removal of the Royal Observatory to Herstmonceux, including letters from the public concerning the move; correspondence with the Admiralty; material relating to the agreement for the sale of Herstmonceux Castle; correspondence with P. Latham; a letter from the Bishop of Chichester regarding the chapel; correspondence regarding the developments which might prove detrimental to the Observatory; material on the housing of staff; correspondence with Sir Howard Grubb, Parsons and Co. Ltd concerning the dismantling of the telescopes; plans and correspondence on the proposed sites for the telescopes; material concerning the Solar Building and Spectro-heliograph Cellar and the Library; correspondence on the furnishing for the Astronomer Royal's residence; miscellaneous correspondence regarding buildings, finance, alterations, locks, telephones, electricity and fire prevention; minutes of the Royal Astronomical Society's meeting, 9 April 1947, discussing the Observatory's removal; correspondence on the transfer of the Nautical Almanac Office and the Chronometer Depot; and papers concerning soil samples taken on 28 September 1948.