Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Hydrometer
Hydrometer for measuring the salinity of water. Copper measure and brass gauge in wooden box.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Hydrometer for measuring the salinity of water. Copper measure and brass gauge in wooden box.