Air raid warning device, January 1918. Artist: Adolph Augustus Boucher.
/2631806.jpg "Air raid warning device, January 1918. Artist: Adolph Augustus Boucher.")
2-631-806 - Historic England/Heritage Images
Air raid warning device, January 1918. Copy of two photographs showing a sound detector. During the First World War acoustic detection devices were used to warn of enemy aircraft. The photograph was taken for the Ministry of Munitions.
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Science & Nature Technology & Innovation
History & Politics War & Military Wars, Battles & Events
History & Politics War & Military Wartime
History & Politics War & Military Military Uniform & Equipment
Digital Image Size
Pixel Dimensions (W x H) : 4929x3510
File Size : 16,896kb
Aliases
- bl24100
- 0250003683
- 2-631-806
- 2631806
- bl24100
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