Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Car handling underground at Bowhill Colliery (booklet)
Information Bulletin No. 54/119. 4 pages with 3 diagrams.
Pwnc
Diwydiant
Rhif yr Eitem
2018.42/99
Mesuriadau
Meithder
(mm): 331
Lled
(mm): 204
Dosbarth
underground transport (coal)Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.