World War II Tank Production 1938-41: A unique archive of 48 letters, mainly between the War Office, the Ministry of Supply and John Fowler & Co. (Leeds) Ltd, manufacturer of the A12 Tank, many of which are marked Secret. Includes letters signed by Major-General A.E.Davidson (Director of Mechanisation, War Office), Brigadier G. Le Q.Martell (Commander of the Royal Armoured Corps), Colonel W.H.York (Armaments Inspection Dept), R.F.Dunsterville, etc. with a letter & telegram regarding the performance of the Tanks in fighting in Flanders and the Middle East. A most important group of documents detailing the problems of armaments production and their increasing importance in the opening phases of the War