Earth thermometer
George James Symons type earth thermometer by Louis Paschal Casella, 1874
- Materials:
- iron
- Object Number:
- 1893-155 Pt1
- type:
- instrument component and earth thermometer
- Image ©
- The Board of Trustees of the Science Museum
George James Symons type earth thermometer, with iron tube, by Louis Paschal Casella, 1874
George James Symons type earth thermometer by Louis Paschal Casella, 1874
Iron tube for Symons earth thermometer by L. Casella, 1874.