Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Hygrometer
Casella
(manufacturer)
'Whirling' hygrometer. Wooden thermometer holder with plastic handle and water holder. Used to check humidity.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.