Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Monmouthshire and Brecknockshire
Ordnance Survey Map 1880 Monmouthshire Sheet XI.7 Brecknock Sheet XLVII.7 Brynmawr Scale 1/2500 being 25.344 inches to a statute mile or 208.33 feet to one inch
Pwnc
Diwydiant
Rhif yr Eitem
87.244I/79
Derbyniad
Collected officially, 31/12/1987
Mesuriadau
Meithder
(mm): 711
Lled
(mm): 1038
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.