Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Glass negative - ¼ plate
unknown
(photographer)
View of coal face before stone dusting. Used in Safety in Mines Research Board Pamphlet No.4.
Pwnc
Diwydiant
Rhif yr Eitem
2018.197/54.2
Creu/Cynhyrchu
Derbyniad
old stock, 23/11/2018
Mesuriadau
Meithder
(mm): 82
Lled
(mm): 108
Deunydd
gwydr
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.