Correspondence between WSC, James Stuart [Government Chief Whip], John Martin, Francis Brown, Leslie Rowan [Private Secretaries to WSC] and A L Armstrong and Eric Jackson, [Private Secretary to Minister of Aircraft Production], John Llewellin [Minister of Aircraft Production] and Sir William Brass [later 1st Lord Chattisham], former Parliamentary Private Secretary to the Minister of Aircraft Production, on Brass's allegations about inadequate supply of aircraft spares and ministerial responsibility for aircraft repair and maintenance; includes memorandum by Brass and notes by Rowan and Brigadier George Harvie-Watt [Parliamentary Private Secretary to WSC].