Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Quadrant
Brass astromoner's quadrant with geometrical square and degree measures on one side and the signs of the Zodiac engraved on other side with two snake decorations alongside this.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.