Archive6427648Title960329 - Investigators' PhotographsLevelItemDescriptionWater balance system 'Edward', water tank in foreground, Penrhyn Slate Quarries.MediumPhoto.Imagesn
Archive6199537TitleInvestigators' PhotographsLevelBatchDescriptionPenrhyn Slate Quarry Water Balance Lift; photo survey comprising four black and white photographs taken by D.J. Percival, 2002MediumPhoto.Imagesn
Archive6426970Title2001-0134 - Investigators' PhotographsLevelBatchDescriptionPenrhyn Slate Quarry, Water balance lift, 'Edward': Photo survey comprising 2 B&W prints taken by S. R. Hughes, June 2001.Medium2 prints. Photo.Imagesn
Archive6291957Title2002_0165_07 - Investigators' PhotographsLevelItemDescriptionView from south-eastMediumPhoto.Imagesn
Archive6254867Title2002_0267_02 - Investigators' PhotographsLevelItemDescriptionWater balance viewed from southMediumPhoto.Imagesn
Archive6426971Title2001-0134 - Investigators' PhotographsLevelItemDescriptionFrom lift 'Lord' looking SW to NW quarry terraces, Penrhyn Slate Quarry, Water balance lift 'Edward'.MediumPhoto.Imagesn
Archive6426972Title2001-0134 - Investigators' PhotographsLevelItemDescriptionFrom lift 'Lord' looking SW to NW quarry terraces, Penrhyn Slate Quarry, Water balance lift 'Edward'.MediumPhoto.Imagesn
Archive6427653Title960329 - Investigators' PhotographsLevelItemDescriptionWater balance system 'Edward', water tank in foreground, Penrhyn Slate Quarries.MediumPhoto.Imagesn
Archive6427649Title960329 - Investigators' PhotographsLevelItemDescriptionWater balance system 'Edward', water tank in foreground, Penrhyn Slate Quarries.MediumPhoto.Imagesn