Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Insulator
White porcelain insulator for signalling wire, about 1910. Hole through centre and depression round edges for signalling knocking wire to rest in.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.