Rhif Archif
6374250
Disgrifiad
Drawing showing 'Chair for flat-bottomed rail from Gilwern Hill': Figure 33..
Enw Casgliad
ELR - Early Limestone Railways Drawings
Cyfrwng
1 file. Graphic.
Cychwynnwr
Michael Blackmore, John Van Laun
Dyddiad
c. 1997 to 1999