Regulations and schedule of charges for testing for instruments, material, gauges, etc., at the A.I.D. test houses.
Great Britain.Ministry of Aircraft Production,issuing body.
Great Britain.His Majesty's Stationery Office.
February, 1940.
Amendment list relating to the fourth edition of Regulations and schedule of charges for testing for instruments, material, gauges, etc., at the A.I.D. test houses. March, 1939.