3 ms·
A few more photos of the WWI/WWII-era listening tech: https://rarehistoricalphotos.com/aircraft-detection-radar-1917-1940/ https://rarehistoricalphotos.com/air
by bell-cot 3y ago
A few more photos of the WWI/WWII-era listening tech:
https://rarehistoricalphotos.com/aircraft-detection-radar-1917-1940/ https://rarehistoricalphotos.com/aircraft-detection-radar-19...