NPRNTeitlMath O SaflePerthynasNPRN40538TeitlDinorwic Slate QuarryMath O Saflen/aPerthynasPart ofNPRN33613TeitlDinorwic Pelton WheelMath O Saflen/aPerthynasConsists ofNPRN41155TeitlDinorwic Workshops, Blacksmith's ShopMath O Saflen/aPerthynasConsists ofNPRN93634TeitlDinorwic Quarry WorkshopMath O Saflen/aPerthynasConsists ofNPRN33618TeitlWaterwheel, Gilfach Ddu Workshops, Dinorwic Slate Quarry; National Slate MuseumMath O Saflen/aPerthynasConsists of
