Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Penallta Colliery, plan
Messrs Pwell Duffryn Steam coal Co ltd. Re. Penallta colliery. Plan showing foundations for one Zoelly-mixed pressure steam-turbo-compressor 40000 cub. ftm. 2900-3100 r.h.m Scale 1/30th No.222409 4.4.24
Pwnc
Diwydiant
Rhif yr Eitem
68.35/152
Derbyniad
Donation, 8/2/1968
Mesuriadau
Meithder
(mm): 594
Lled
(mm): 837
Techneg
blueprint
Deunydd
papur
Lleoliad
In store
Dosbarth
constructionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.