Lighting during black-out hours in shipbuilding and ship-repairing yards.
Publisher: H.M. Stationery off.
Published: 1940
Place of publication: London
Language: eng
Number of pages: 23
Subjects: Lighting.; Great Britain -- Air defenses.
Other titles: Blackout hours in shipbuilding and ship-repairing yards.
Notes: At head of title: Ministry of home security.