Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Rhif Archif
6034617
Disgrifiad
Ink-line drawing to show the gradient profile of the Brecon Forest Tramroad, plus annotated notes and preliminary sketches. Fig 23, "The Brecon Forest Tramroads", S.R. Hughes, 1990.
Cofnod Casglu
BFT - RCAHMW Brecon Forest Tramroad Publication Collection
Cyfrwng
Graphic.
Cychwynnwr
Charles W. Green
Dyddiad
c. 1989