Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Miner's dial
Two spirit levels on compass face, notice inside case "instrument last overhauled 6/7/14"
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Two spirit levels on compass face, notice inside case "instrument last overhauled 6/7/14"