Air Commodore F. R. Banks, I Kept No Diary , Airlife Publications, Shrewsburg, 1978, Appendix II Fuel, pp 234-236
"With the coming of war, Banks entered the Royal Air Force Volunteer Reserve as a junior officer, being sent to work at the Aeroplane and Armament Experimental Establishment (A&AEE) at Boscombe Down, and with his previous work attracting the attention of Lord Beaverbrook, Banks was accredited as a 'troubleshooter' and given special powers. After a while, Banks was promoted to Air Commodore and was made successively, 'Director General of Engine Production', and 'Director of Engine Research and Development'.