Your gas mask
Subtitle: how to keep it and how to use it : masking your windows
By: issued from the Lord Privy Seal's Office
Series: Public information leaflet -- No.2.
Publisher: Lord Privy Seal's Office
Published: 1939
Place of publication: London
Language: eng
Subjects: Gas Poisoning; Prevention & control; Warfare; Respiratory Protective Devices
Notes: Cover title.

At head of title: "Civil defence"

Dated July 1939.