Monday, February 13, 2012

How incoming enemy aircraft were detected before the advent of radar ??

How incoming enemy aircraft were detected before the advent of radar


How incoming enemy aircraft were detected before the advent of radar ??
How incoming enemy aircraft were detected before the advent of radar ??
How incoming enemy aircraft were detected before the advent of radar ??
How incoming enemy aircraft were detected before the advent of radar ??

STRANGE ACOUSTIC "EARS"
BEFORE RADAR - ON A SWIVEL


How incoming enemy aircraft were detected before the advent of radar ??

How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??

STRANGE ACOUSTIC "EARS"
BEFORE RADAR - GERMAN


How incoming enemy aircraft were detected before the advent of radar ??



How incoming enemy aircraft were detected before the advent of radar ??

STRANGE ACOUSTIC "EARS"
BEFORE RADAR - ON WHEELS


How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??



How incoming enemy aircraft were detected before the advent of radar ??

STRANGE ACOUSTIC "EARS"

BEFORE RADAR - ENGLAND


How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??


How incoming enemy aircraft were detected before the advent of radar ??

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