Mercury Thermometer for Underground Temperatures, 1861-1881

Made:
1861-1881 in London
maker:
Casella, L. P.

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Mercury maximum thermometer of the Phillips type by L. Casella, protected by a glass sheath and in a copper case, as used by the British Association between 1868 and 1881, to measure the rate at which the temperature of the Earth increases with depth.

Details

Category:
Heat
Object Number:
1889-7
Materials:
alcohol, copper, cotton wool, glass, iron, leather and mercury
Measurements:
case: 295 x 40 mm
thermometer: 235 mm x x , 13 mm,
type:
thermometer (mercury)
taxonomy:
  • measuring devices
  • measuring devices
credit:
L.P. Casella