Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cwmcarn Colliery, plan
Engineering drawing of system of roof supports in Upper three quarter seam at Cwmcarn Colliery, not dated Scale : ¼" to 1 foot
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/47
Derbyniad
Collected officially, 31/12/1987
Mesuriadau
Meithder
(mm): 460
Lled
(mm): 775
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.