NPRNTeitlMath O SaflePerthynasNPRN270410TeitlPillbox (Type Fw3-23), HawardenMath O Saflen/aPerthynasAssociated withNPRN270523TeitlPillbox (Variant), HawardenMath O Saflen/aPerthynasAssociated withNPRN308208TeitlHawarden Aircraft Factory; Broughton Airbus Factory, BroughtonMath O Saflen/aPerthynasAssociated withNPRN270411TeitlPill Box I, HawardenMath O Saflen/aPerthynasAssociated withNPRN270522TeitlPill Box II , HawardenMath O Saflen/aPerthynasAssociated with
