Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6336205TeitlRCF08_090 - RCAHMW Field NotesLefelBatchDisgrifiadDrawing Book of sketch plans and drawings relating to various properties in Glamorgan. Noted as book No. 16.Cyfrwng1 file. Graphic.DelweddaunRhif Archif6336799TeitlRCF08_333 - RCAHMW Field NotesLefelBatchDisgrifiadSketch plans and drawings relating to 'Pencaedrain'.Cyfrwng1 file. Graphic.DelweddaunRhif Archif6413326TeitlWAW005792 - Aerofilms CollectionLefelItemDisgrifiadWide view of Hirwaen Royal Ordnance Factory, showing Pancaedrain TunnelCyfrwngPhoto.Delweddauy
