R.A.F./ U.S.A.A.F. Used \'Window\' - Boxed
Small card box containing a roll of Radar blocking \"Window\" or \"Chaff\". Basically consists of a roll of thin aluminum strip or aluminized paper strip attached to a small paper parachute. These were thrown out of bombers to jam German Radar signals and prevent them from plotting the positions of British bombers etc. Excellent, unused condition. Stock code M15313.