Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Penallta Colliery, plan
Arrangment of Induced Draught Plant at P.O.S.C. Co. Ltd Penallta Colliery. Scale ¼" to 1 foot drawing no. 250.
Pwnc
Diwydiant
Rhif yr Eitem
68.35/110
Mesuriadau
Meithder
(mm): 713
Lled
(mm): 917
Dosbarth
constructionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.