Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Hafodyrynys Colliery development project, report
Folder containing reports, tables and plans relating to the Hafodyrynys New Mine development project. Dated 1955.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/433
Creu/Cynhyrchu
National Coal Board, South Western Division
National Coal Board
Dyddiad: 1955
Derbyniad
Old stock, 27/2/2017
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 205
Deunydd
papur
metel
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.