كيف كان يتم اكتشاف الطائرات العدوه قبل أكتشاف الرادار ؟
How incoming enemy aircraft were detected
before the advent of radar
STRANGE ACOUSTIC “EARS”
BEFORE
RADAR – ON A SWIVEL
STRANGE
ACOUSTIC “EARS”
BEFORE RADAR – GERMAN
STRANGE ACOUSTIC
“EARS“
BEFORE RADAR – ON
WHEELS
STRANGE ACOUSTIC “EARS”
BEFORE RADAR – ENGLAND
How incoming enemy aircraft were detected
before the advent of radar
STRANGE ACOUSTIC “EARS”
BEFORE
RADAR – ON A SWIVEL
STRANGE
ACOUSTIC “EARS”
BEFORE RADAR – GERMAN
STRANGE ACOUSTIC
“EARS“
BEFORE RADAR – ON
WHEELS
STRANGE ACOUSTIC “EARS”
BEFORE RADAR – ENGLAND
