'Air Raid Precautions Dept. Circular (701,602/109). Experiments in Anti-Gas Protection of Houses. December 31, 1937.' from His Majesty's Stationary Office (HMSO) Catalogue

Name	Air Raid Precautions Dept. Circular (701,602/109). Experiments in Anti-Gas Protection of Houses. December 31, 1937.
Category	Air Raid Protections, Medical and Gas
Department	Home Office
Issued For	none
SO.Code	34-9999
Distribution	none
Distribution Information	none
Listed In HMSO Index	Jan/1938
Pages	unknown
Printer	none
Size	unknown
Price	none