Mercury Thermometer for Underground Temperatures, 1861-1881

Made:
1861-1881 in London
maker:
Casella, L. P.
Mercury maximum thermometer of the Phillips type by L

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Mercury maximum thermometer of the Phillips type by L
Science Museum Group
© The Board of Trustees of the Science Museum

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:
glass, mercury, alcohol, copper, iron, cotton wool and leather
Measurements:
overall: x x , , .27kg
case: 295 x 40 mm
thermometer: 235 mm x x , 13 mm,
type:
thermometer (mercury)
credit:
L.P. Casella