Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Bergleau Museum, Bochum, Photograph
Chart showing development of mineral extraction etc. throughout ages from stone age to 1950's
Pwnc
Diwydiant
Rhif yr Eitem
62.140/22
Derbyniad
Collected officially, 4/5/1962
Mesuriadau
Meithder
(mm): 179
Lled
(mm): 132
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.