Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Collection of tech. drawings re pit props
Engineering Drawing Board to illustrate bed separation
Pwnc
Diwydiant
Rhif yr Eitem
87.156I/10
Historical Associations
Associated Person/Body: National Coal Board, South Western Division
Association Type: Coal company
Derbyniad
collected officially, 14/8/1987
Mesuriadau
Meithder
(mm): 451
Lled
(mm): 487
Deunydd
papur
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.