Archif6071919TeitlAdditional InformationLefelItemDisgrifiadGabalfa Lock no 37, Glamorgan Canal; field notes/drawings produced by D.K. Leighton and B.A. Malaws, May 1977.CyfrwngText, Graphic.Delweddaun
Archif6072096TeitlAdditional InformationLefelItemDisgrifiadGabalfa Lock No 47, Glamorganshire Canal; sketch plan produced by B.A. Malaws 1978.CyfrwngGraphic.Delweddaun
Archif6072095TeitlDrawings CollectionLefelItemDisgrifiadGabalfa Lock No.47, Glamorganshire Canal, Cardifff; measured drawing comprising plans and section view produced by B.A. Malaws 1978.CyfrwngGraphic.Delweddaun
