Gas defence
Publisher: Army Printing and Stationery Services
Published: 1917
Place of publication: London]
Language: eng
Subjects: Asphyxiating and poisonous Gases; War use; Gaz de combat
Notes: Caption title.

"S.S.535."

"Wt. W. 16277/R.1395"--3/17.

"W.G.1-114."

"[General Staff]."