'Air Raid Precautions Memorandum 11. Gas Detection and Identification Service. 1st Edition, 1939. [10/39]' from His Majesty's Stationary Office (HMSO) Catalogue

Name	Air Raid Precautions Memorandum 11. Gas Detection and Identification Service. 1st Edition, 1939. [10/39]
Category	Air Raid Protections Memoranda
Department	Ministry Of Home Security
Issued For	none
SO.Code	34-9999
Distribution	none
Distribution Information	none
Listed In HMSO Index	Oct/1939
Pages	12
Printer	none
Size	15.5 x 24.5
Price	3d