Papers of Ivor Bowen, 1926-1973, relating to his career in aeronautics, comprising manuscript volume entitled 'Bomb and Bombsight figures'; photographs, some captioned, relating to a long haul flight to Singapore, 1946, including exterior and interior details of plane and an aerial view of Singapore; Air Ministry Laboratory report, 'Bomb ballistics experiments, Orfordness, 1926', written by L C Bygrave and Ivor Bowen, including aerial photographs, photographs of recording equipment, bomb at moment of release, cine film stills of explosion, detailed technical drawings of recording equipment and periscopic bomb sight, and graphs of time lags, trail angles and fall times of bombs; publications relating to aeronautics including Air Ministry manuals, chiefly on air navigation, 1926-1941; typescript draft handbook, 'Aircraft compass installations', by C S Hudson, for publication by HMSO, [1949]; patents issued to General Precision Laboratory, USA, 1956-1959; lecture text, 'The development of visual landing for flight simulators' by G M Hellings, Chief Scientist, General Precision Systems Ltd, Oct 1961; technical product descriptions including for Miniature Inertial Navigation System (MINS), produced by Kearfott Division, USA and Kearfott C702519001 floated rate-integrating gyro, Aug 1962; performance data for floated rate-integrating gyro King II, produced by Kearfott Division, USA, Dec 1962; offprint articles on aeronautics, 1962; memoranda and minutes of meetings of the Air League, 1963-1973; 'Unservile State Papers, no 15: A Defence for Britain' by Anthony Paice, Liberal Publication Dept, [1966]; letter from I J Bettison, General Equipments Ltd, Adelaide, Australia, 3 Jun 1963, on selling flight simulation training systems; and 'extracts from the technical supplement to the annual report of the Aeronautical Research Council', 1 Apr 1965.

Papers, photographs and publications of Gp Capt James Henry Iremonger, relating to his career, 1936-1959, including: orders for 1 Airborne Allied Army for Operation MARKET, Netherlands, 17 Sep 1944; Second Army intelligence summaries, 2-4 May 1945; 83 Group intelligence summaries, 34 May 1945; stereoscopic slides of aerial photographs showing results of RAF bombing raids over France and Germany, 1943-1944; copy pages from Iremonger's flying log book, 1936-1958; Bag the Hun! (Air Ministry, Apr 1943), a booklet of mathematical exercises for fighter pilots.

Copies of papers collected or created by Maze, 1914-1975, principally comprising correspondence with his World War One colleagues, 1918-1972, mainly relating to the second Battle of the Somme, 21 Mar-5 Apr 1918, and including letters from Gen Sir Hubert (de la Poer) Gough, 1918-1919, 1935, 1939, 1951, 1954-1956, 1963, Lt Gen Sir (Arthur) Edward Grasett, 1965, 1970, and LtGen Sir Frederick Ivor Maxse, 1919; photographs of Maze, 1914-[1918] and Gough, 1915; correspondence with Rt Hon Winston Leonard Spencer Churchill concerning the Home Guard, 1943; photographs of ACM Sir Arthur Travers Harris, 1944; two typescript lists ofGerman towns attacked by British bombers, 1945.

Photographs relating to bomb-aiming, 1943-1944, taken by Sutton during raids on North West Europe.

British publications relating to the Allied war effort and the Home Front, 1940-1954, including editions of His Majesty's Stationery Office (HMSO) pamphlets Frontline, 1940-41; The official story of the civil defence of Britain (HMSO, London, 1942), Combined Operations, 1940-1942 (HMSO, London, 1943), Target: Germany. The US Army Air Forces' official story of the VIII Bomber Command's first year over Europe (HMSO, London, 1944), Among those present: the official story of the Pacific Islands at war (HMSO, London, 1946). Also pamphlet, 'The battle of South London', by Arthur L Woolf (Crystal Publications Ltd, London, c 1945), with photographs and accounts of bombing in South London, Second World War, and Westminster at War by William Sansom (Faber and Faber, London, 1947).