George James Symons type earth thermometer, by Casella, 1874

George James Symons type earth thermometer, with iron tube, by Louis Paschal Casella, 1874

Details

Category:
Meteorology
Object Number:
1893-155
Materials:
iron, copper, glass, mercury, wood and rubber
Measurements:
tube: 840 mm
thermometer: 210 mm
type:
earth thermometer
credit:
L.P.Casella

Parts