Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6418971TeitlCWC_01_01_30 - RCAHMW Collieries Publication CollectionLefelItemDisgrifiadSectional drawing of the washery erected at Penallta Colliery as published on p. 123 of Collieries of Wales: Engineering & Architecture by S. Hughes et alCyfrwngGraphic.DelweddaunRhif Archif6419007TeitlCWC_01_02_02 - RCAHMW Collieries Publication CollectionLefelItemDisgrifiadScaled drawing labelled 'Part sections of Penallta Washery' Dated 30.11.34 (Badly ripped)CyfrwngGraphic.Delweddaun
