Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Section of coal seams, drawing
Hand drawn in black ink on white paper. Section of Coal Seams detailing Gorseinon (?), Caerbryn, Ocean Deep Navigation and Windsor.
Pwnc
Diwydiant
Rhif yr Eitem
67.128/2 (11)
Mesuriadau
Meithder
(mm): 331
Lled
(mm): 700
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.