Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Support of the Roof in the Roadway (booklet)
National Coal Board Training Manual No.5. 32 page booklet in red covers.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/878
Mesuriadau
Meithder
(mm): 218
Lled
(mm): 142
Uchder
(mm): 5
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.