Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Tredomen Engineering Works, tech.drawings & plans
Blue print on off-white paper. National Coal Board, South Western Division. Tredomen Engineering Works, Ystrad Mynach. Plans, elevations & sections Details of Stanchions F1 & F2 Scale : 3/4" to 1'.0" 6.11.53
Pwnc
Diwydiant
Rhif yr Eitem
88.101I/5
Mesuriadau
Meithder
(mm): 700
Lled
(mm): 979
Dosbarth
constructionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.