Earth thermometer with bent stem, c. 1925.
- Made:
- 1925 in London and Hatton Garden
- maker:
- James J Hicks
Earth thermometer by James J. Hicks, Hatton Garden, London, c. 1925. Also known as a soil thermometer, this instrument is a mercury thermometer with its stem bent at right angles. It is graduated from 20 to 100 degrees Fahrenheit.
Earth or soil thermometers are for making observations of the soil temperature close to the surface. To use the instrument, the bulb and stem are immersed in the ground up to the right-angled bend, and the temperature read from the scale.
Details
- Category:
- Meteorology
- Object Number:
- 1926-943
- Measurements:
-
overall: 210 mm x 200 mm x 9 mm, 9 mm, .05 kg
- type:
- earth thermometer
- credit:
- Meteorological Office, South Kensington