LevelBatchDescriptionPant Glas Uchaf, Upper Clynnog; Album of mounted and loose photographs entitled "Pant Glas Uchaf, Upper Clynnog Caernarvonshire. Restoration began in 1950 by G.B. Mason & J.E. Mason". Copy negatives and/or glass negatives held for the majority of prints.ArchiveG.B. Mason CollectionDateArchive Number6003761
LevelBatchDescriptionTwo copies of a drawing by Peter Smith showing plan, section and elevation of Pant Glas Uchaf, Upper Clynnog, annotations unsourced.ArchiveG.B. Mason CollectionDateArchive Number6003762
LevelBatchDescriptionPant Glas Uchaf, Upper Clynnog; Album of mounted and loose photographs entitled "Pant Glas Uchaf, Upper Clynnog Caernarvonshire. Restoration began in 1950 by G.B. Mason & J.E. Mason". Copy negatives and/or glass negatives held for the majority of prints.ArchiveG.B. Mason CollectionDateArchive Number6320130
