Switch Off That Light! Less Light - More Planes
A large photographic image of a light switch with its toggle pointing down fills the poster under the headline 'Switch off that LIGHT!'. The slogan 'Less light - more planes' presents saving electricity as a direct trade for aircraft production, one cause offered as the only reason.
Propaganda techniques used in this poster
- Date
- 1939
- Period
- Second World War
- Made by
- H.M. Stationery Office (issuing ministry not named); printed by J. Weiner Ltd, London
- Region
- Western and Central Europe
- Country
- United Kingdom
- Medium
- Poster
- Issuer type
- State
- Regime
- Churchill Government
- Leader
- Winston Churchill
- Audience
- Domestic public
- Purpose
- Mobilize or secure compliance
- Themes
- Home front, Economy and finance
- Event
- World War II
- Leader
- Winston Churchill
- Source
- Identified Openly sourced: the speaker is who they say they are
- Source
- U.S. National Archives and Records Administration, Record Group 44, World War II Foreign Posters, retrieved October 3, 2026
- Rights
- Public domain (UK Crown copyright, 50 years from publication, expired before 1996; no URAA restoration)
Printed by J. Weiner Ltd for HMSO, c. 1939-1945. U.S. National Archives (NAID 44267119, 44-PF-411).
Text on the object
Switch off that LIGHT! LESS LIGHT - MORE PLANES Printed for H.M. Stationery Office by J. Weiner Ltd., London, W.C.1. 51-2674







