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Aircraft Detection Before The Invention Of Radar

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Aircraft Detection Before The Invention Of Radar

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Aircraft Detection Before Radar…
I bet none of you ever saw this stuff before.
How air attacks were detected before radar…
Old time
acoustic hearing aids

Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

ACOUSTIC "EARS"
BEFORE RADAR – ON A SWIVEL

Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

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Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

ACOUSTIC "EARS"
BEFORE RADAR – GERMAN

Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

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ACOUSTIC "EARS"
BEFORE RADAR – ON WHEELS

Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar

ACOUSTIC "EARS"
BEFORE RADAR – ENGLAND

Aircraft Detection Before The Invention Of Radar

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Aircraft Detection Before The Invention Of Radar

Aircraft Detection Before The Invention Of Radar



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