Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mould for High Silicon Steel (tech. drawing)
Blueprint. Technical drawing showing a mould for high silicon steel.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Blueprint. Technical drawing showing a mould for high silicon steel.