Oi.1.2.04
Gas defence.
[London? : His Majesty's Stationery Office?, 1918?]
[1] sheet (folded) ; 15 cm.
"S.S. 535." at head of title.
Imprint assumed from subject.
Date from the Imperial War Museum catalogue.
World War, 1914-1918,
Gases, Asphyxiating and poisonous War use Handbooks, manuals, etc.
Great Britain. His Majesty's Stationery Office.
England London.
B31455