Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Abernant Colliery, docs. re sinking of new shaft
Copy of a plan, blue on white paper. National Coal Board : S.W. Division. Abernant Colliery Typical cross-section of 14ft arch roadway for red vein drivage.
Pwnc
Diwydiant
Rhif yr Eitem
88.99I/35
Derbyniad
Collected officially, 1988
Mesuriadau
Meithder
(mm): 353
Lled
(mm): 482
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.