Archif6183175TeitlDrawings CollectionLefelItemDisgrifiadPentreffynnon Lock, Tennant Canal; detail drawing showing the hinge of the lower gate, produced by David Leighton, 1977CyfrwngGraphic.Delweddaun
Archif6183181TeitlDrawings CollectionLefelItemDisgrifiadPentreffynnon Lock, Tennant Canal; measured plan, produced by David Leighton, 1977CyfrwngGraphic.Delweddaun
Archif6348489TeitlNCC03_07 - Neath Canal CollectionLefelItemDisgrifiadSketch plan drawings relating to Neath River Lock, Pentreffynnon Lock, Skewen, Tennant Canal: plan, section, and elevations.Cyfrwng1 file. Graphic.Delweddaun
