Cofnod Archif

Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'

Rhif Archif

6418966

Disgrifiad

Schematic drawing of the power house, housing the flywheels, at Penallta Colliery as published on p. 28 of Collieries of Wales: Engineering & Architecture by S. Hughes et al

Cofnod Casglu

CWC - RCAHMW Collieries Publication Collection

Cyfrwng

Graphic.

Cychwynnwr

Stephen R. Hughes, RCAHMW

Dyddiad

1994 to 1995