Rhif Archif
6018977
Disgrifiad
Ynyscedwyn Ironworks Incline; Photographic prints of drawings featured on the dustjacket and figs 58 & 59 of The Archaeology of an Early Railway System, the Brecon Forest Tramroads by S.R. Hughes, RCAHMW 1990. Negatives held.
Enw Casgliad
NMR Site Files
Cyfrwng
Graphic.
Cychwynnwr
RCAHMW
Dyddiad
c. 1990