Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Llanrwst Lead Mines Ltd., company records & docs.
Llanrwst Lead Mines Ltd., Parc Mine. Orange folder containing documents on the classification of jobs by health risks, 1957.
Pwnc
Diwydiant
Rhif yr Eitem
88.49I/8
Derbyniad
Collected officially, 22/6/1988
Mesuriadau
Meithder
(mm): 355
Lled
(mm): 254
Deunydd
papur
cerdyn
metel
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.