Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Markham Colliery, photograph
Installation of lighted face (M22) at Markham Colliery. J. Perret (undermanager) is at left and Tom Morgan (electrician) in foreground at right. N.C.B. stamp on reverse.
Pwnc
Diwydiant
Rhif yr Eitem
2017.53/29
Mesuriadau
Meithder
(mm): 241
Lled
(mm): 306
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.