'Testing of Instruments, Material, Gauges, etc., at the A.I.D. Test House, Regulations and Schedule of Charges, (A.P. 1226), 4th Edition, March, 1939. Amendment List 1, February, 1940.' from His Majesty's Stationary Office (HMSO) Catalogue

Name	Testing of Instruments, Material, Gauges, etc., at the A.I.D. Test House, Regulations and Schedule of Charges, (A.P. 1226), 4th Edition, March, 1939. Amendment List 1, February, 1940.
Category	Air Reference
Department	Air Ministry
Issued For	none
SO.Code	22-9999
Distribution
Published	Mar/1940
Pages	unknown
Printer
Size	unknown
Price