Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Tredomen Engineering Works, tech.drawings & plans
Blue print on cream paper. Powell Duffryn Associated Collieries.Ltd. Tredomen Engineering Works, Ystrad Mynach Plan of works Extension, Stanchions B3 & B2 Plan & elevations Dated 21-8-36.
Pwnc
Diwydiant
Rhif yr Eitem
88.101I/3
Derbyniad
Collected officially, 1988
Mesuriadau
Meithder
(mm): 710
Lled
(mm): 675
Techneg
blueprint
Deunydd
papur
Lleoliad
In store
Dosbarth
constructionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.