-:Aircraft Detection Before Radar:-
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
ACOUSTIC "EARS" BEFORE RADAR - ON A SWIVEL
ACOUSTIC "EARS"
BEFORE RADAR - GERMAN
BEFORE RADAR - GERMAN
BEFORE RADAR - ON WHEELS
BEFORE RADAR - ENGLAND
Thank You & Best Regards,
P Pls. Save a tree... Please do not print this e-mail unless you really need to.
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