Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Operation of a Longwall Coal Cutting Machine (booklet)
National Coal Board Training Manual No.4. 44 page booklet in red covers.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/877
Creu/Cynhyrchu
National Coal Board Industrial Training Branch
Hazel Watson and Viney Ltd.
Dyddiad: 1959
Derbyniad
Donation, 1/2/2001
Mesuriadau
Meithder
(mm): 222
Lled
(mm): 140
Uchder
(mm): 6
Deunydd
cerdyn
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.