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French WW1 soldiers shown listening to the sky to hear oncoming airplanes: Electric ears detect invading air craft.
Artist:
Source: ebay seller powerangers
Restoration by: magscanner
- Created on
- Friday 3 February 2012
- Posted on
- Friday 3 February 2012
- Tags
- alert, defense, forecasting, intelligence, reception
- Visits
- 2107