Rhif Archif
6071600
Disgrifiad
Six Bells Colliery, Gwent; measured drawings comprising plan, section and elevation drawings of the sub-station building, produced by National Coal Board, 20th June 1952.
Enw Casgliad
Drawings Collection
Cyfrwng
Graphic.
Cychwynnwr
National Coal Board
Dyddiad
1952-06-20