Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Hydraulic Systems for Powered Supports (report)
National Coal Board
(publisher)
Two National Coal Board reports bound together. 19 and 23 pages.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/964
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 296
Lled
(mm): 210
Deunydd
cerdyn
papur
metel
Plastic
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.