Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
South Wales Collieries, plans of coal seams
A plan of Big Pit Garw Seam, workings enlarged from a very old plan which was not dated but probably date prior to 1845.
Pwnc
Diwydiant
Rhif yr Eitem
87.176I/12
Derbyniad
Collected officially, 2/10/1987
Mesuriadau
Meithder
(mm): 1252
Lled
(mm): 1031
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.