Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Merthyr Vale Colliery, plan
Merthyr Vale Colliery B50 haulage arrangements plan (not dated). Hand drawn and printed details in blue ink on cream paper.
Pwnc
Diwydiant
Rhif yr Eitem
87.229I/6
Mesuriadau
Meithder
(mm): 363
Lled
(mm): 1010
Dosbarth
trade union/industrial relationsNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.