'Specification, etc, in regard to Permanent Lining of Trenches. January, 1939, Air Raid Precautions Dept.' from His Majesty's Stationary Office (HMSO) Catalogue

Name	Specification, etc, in regard to Permanent Lining of Trenches. January, 1939, Air Raid Precautions Dept.
Category	Shelters for Air Raid Protections
Department	Home Office
Issued For	none
SO.Code	34-266-0-39
Distribution	none
Distribution Information	none
Listed In HMSO Index	Jan/1939
Pages	8
Printer	none
Size	unknown
Price	none