Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Method of Casting Armour Plate Ingot (tech drawg)
Two technical drawing attached with a paperclip. One blueprint and one hand drawn in pencil on white graph Technical drawings showing the method of casting armour plate ingot.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.