Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Adaptor
Brass adaptor to allow box to be used as a stand for slide rule.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Brass adaptor to allow box to be used as a stand for slide rule.