Two reports on ordnance engineering services in Malaya during the period 1941-1942, written by Ashton following the destruction of all records at Malaya Command in 1942, [1946]; papers relating to the above reports, principally comprising Ashton's report to Air Cdre Modin on RAF Senior Training Corps mechanics attached to the Royal Army Ordnance Corps, Malaya, [1942-1943], an account of ordnance engineering services in Malaya during 1941-1942 by the Assistant Director of Ordnance Services (Engineering), 3 Indian Corps, [1942-1946], reports on ordnance services in Malaya during the period 1941-1942, written for Ashton by Capt E J Coulthard, H J Howland and Lt G A Neale, [1946].