Archif6550169TeitlDBHSC_036_08 - D.B. Hague Slide CollectionLefelItemDisgrifiadColour slide showing Frongoch Engine house in the snow, taken by Douglas Hague, January 1969.CyfrwngPhoto.Delweddaun
Archif6550170TeitlDBHSC_036_09 - D.B. Hague Slide CollectionLefelItemDisgrifiadColour slide showing Frongoch Engine House, taken by Douglas Hague, January 1976.CyfrwngPhoto.Delweddaun
Archif6510856TeitlCSAM_HBB_2000_08 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Ceredigion carried out by Helen Burnham, 2000.CyfrwngOne sheet. Photo.Delweddaun
Archif6511190TeitlCSAM_HBB_2007_13 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Ceredigion and Carmarthenshire carried out by Helen Burnham, 2007.CyfrwngTwo sheets. Photo.Delweddaun
