NPRNTeitlMath O SaflePerthynasNPRN29185TeitlFoundry Terrace, LlanidloesMath O Saflen/aPerthynasAssociated withNPRN91411TeitlMid-Wales Villa , Cambrian Place, LlanidloesMath O Saflen/aPerthynasAssociated withNPRN40496TeitlThomas' Iron Works;Mills' Foundry;Railway Works, LlanidloesMath O Saflen/aPerthynasAssociated with
