Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mining Technology (journal)
Journal of The Institution of Mining Electrical and Mechanical Engineers Vol.69 October 1987
Pwnc
Diwydiant
Rhif yr Eitem
90.46I/10
Derbyniad
Donation, 8/1990
Mesuriadau
length (cm):
width (cm):
Deunydd
papur
Lleoliad
In store
Dosbarth
mineral/rock extractionNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.