|Description||Letter from Air Ministry, 5 May 1939, thanking Blackett for his letter of 28 April accepting their invitation to serve on the Committee for the Scientific Survey of Air Offence,|
Correspondence re Blackett's exemption from regular fire-watching duties. 1942.
Correspondence re Blackett's salary and appointment as Chief Adviser on Operational Research, The Admiralty. Blackett transferred from Coastal Command to the Admiralty with effect from 10 December 1941 following his meeting with the Admiralty's Scientific Research Advisory Committee, at which he explained his methods of Operational Research (see Bernard Lovell, 'P.M.S. Blackett: A Biographical Memoir', Royal Society: 1976, pp60-61 and D.84). 1942
Allied Expeditionary Force Permit, NW Europe, 4-9 July 1944.
Correspondents include: LGS Reynolds