Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Plan of coal workings, 1774-1817
Framed and glazed Plan of Coal Workings, 1774-1817, includes Rock Vein Workings and "Mr Phillips' Coal" (Possibly the earliest record of underground workings)
Pwnc
Diwydiant
Rhif yr Eitem
87.129I/2
Mesuriadau
Meithder
(mm): 1397
Lled
(mm): 1041
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.