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
Derbyniad
Old stock, 6/4/2017
Mesuriadau
Meithder
(mm): 241
Lled
(mm): 306
Techneg
black and white (monochrome photograph)
photograph
Deunydd
papur
Lleoliad
In store
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