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Acoustic locators during the First World War

During World War I invented acoustic locators to detect aircraft.
After some time, locators have become ineffective because there radars.













































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...
65th anniversary of Great Victory
...
US Army - the biggest myth of the twentieth century
...
Weapon of Victory
...
Portable audio: Myths and Reality
...
Myths about the Great Patriotic War
...
Actors, men of war (50 photos)
...
Interesting facts about the actors, the last war
...
Imperial War Museum (Tanks)
...
Evolution submarines
...
Interesting facts about the First World War
...
ISTOLET (fr. Pistolet, it. Pistole, from the Czech. Pist'ala - pipe or handguns)
...
Our good old "daddy"
...
War industries (15 photos)
...
World War II - after the war (45 photos)
...
Marshals Victory (22 cards)
...
The best pilots of the First World War.
...
Tour of the exhibition of military innovations of five centuries in Vienna
...
Before invented radar
...
They no longer exist
...
Famous global brands that collaborated with fascists
...
The weapon did not become a legend
...
Photos of the First World War
...
Modern acoustics from Denmark: features of modern systems
...
Echo of war - I
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