Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Control of Harmful Dust in Coal Mines (booklet)
National Coal Board Mining Department
(printer)
Waterlow & Sons
(printer)
85 page illustrated booklet.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/813
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 210
Lled
(mm): 145
Deunydd
cerdyn
papur
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.