Measured drawing showing detail of the raising bridges at the Midland Tinplate Works, Morriston, and Nant Cwm Du Quarries, Ysalyfera, produced by C.W. Green, 2007Opsiynau lawrlwytho a prynu
NPRNTeitlMath O SafleArchifauDelweddauNPRN406339TeitlNant Cwm Du Quarries Railway Raising Bridge , Ynysmeudwy , Swansea CanalMath O SaflePONT CAMLASArchifau1Delweddau1