Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Technical drawing
Engineering drawing showing road head with rippings up to coal face by use of false leg arches, National Coal Board S.W. Division.
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/81
Historical Associations
Associated Person/Body: National Coal Board, South Western Division
Associated Person/Body: National Coal Board
Association Type: coal company
Derbyniad
Collected officially, 31/12/1987
Mesuriadau
Meithder
(mm): 426
Lled
(mm): 491
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.