Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Handbook of Roof Bolting (folder of documents)
Red folder containing 14 information sheets relating to roof bolts and mining equipment manufactured by Bayliss Jones & Bayliss Ltd.
Pwnc
Diwydiant
Rhif yr Eitem
2018.51/86
Mesuriadau
Meithder
(mm): 272
Lled
(mm): 218
Uchder
(mm): 10
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.