Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Bergleau Museum, Bochum, Photograph
Model showing orientation of holes cementation of soft ground for shaft sinking, Mining Musuem Bochum,
Pwnc
Diwydiant
Rhif yr Eitem
62.140/26
Derbyniad
Collected officially, 4/5/1962
Mesuriadau
Meithder
(mm): 234
Lled
(mm): 176
Techneg
black and white (monochrome photograph)
photograph
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.