Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
South Wales Collieries, plans of coal seams
Plans of coal seams worked by South Wales Collieries, 1867-1964
Bute Seam, scale 1/2500 date of construction October 1964.
Upper 9'-0" Seam, scale 1/2500, date of construction December 1963
Pwnc
Diwydiant
Rhif yr Eitem
87.176I/9
Derbyniad
Collected officially, 2/10/1987
Mesuriadau
Meithder
(mm): 908
Lled
(mm): 1328
Meithder
(mm): 926
Lled
(mm): 1337
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.