Archive6022170TitleDrawings CollectionLevelItemDescriptionCopy of a non RCAHMW drawing showing elevation of Glaslyn Foundry, Ynyscynhaearn, received by the NMR in the course of threatened buildings case, ref no M/DES/B/CA/87/38.MediumGraphic.Imagesn
Archive6022171TitleDrawings CollectionLevelItemDescriptionCopy of a non RCAHMW drawing showing site plan of Glaslyn Foundry, Ynyscynhaearn, received by the NMR in the course of threatened buildings case, ref no M/DES/B/CA/87/38.MediumGraphic.Imagesn
Archive6508261TitleDGT_10_2 - Tucker CollectionLevelBatchDescriptionColour slides showing views of Llechwedd Quarries, Porthmadoc Foundry, Porthmadoc Harbour, Tremadoc Market Hall, Penrhyn Quarries and Penrhyn Port. Images taken between 1970-1979. This sheet includes 6 commercial slides of 'Ceudwll Llechwedd Slate Caverns' and 'The Harbour, Portmadoc'.Medium1 sheet. Photo.Imagesn
