Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Nickle refining processes at Clydach, negative
Interior view of the process control research laboratory showing man at work.
Pwnc
Diwydiant
Rhif yr Eitem
2000.166/7
Mesuriadau
Meithder
(mm): 143
Lled
(mm): 129
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.