Disgrifiad
Colour slides showing views of Treforest Tinplate Works, Porthceri Viaduct, Swansea Canal sites including Ynys-Cedwyn Colliery branch, Ynys-Meudwy Ganol overbridge, Pontardawe Aqueduct, site of Pheasant Bush Works, canal at Trebannws and Aberdyberthi Bridge, Swansea. Images taken in 1981.
