Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Llanrwst Lead Mines Ltd., company records & docs.
Llanrwst Lead Mines Ltd., Parc Mine. Register of persons to whom film badges have been issued (checks for radiation levels), 1962-1963 Documents including letters and forms inside a green card folder.
Pwnc
Diwydiant
Rhif yr Eitem
88.49I/7
Mesuriadau
Meithder
(mm): 357
Lled
(mm): 260
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.