Deep-Sea Reversing Mercury Thermometer, 1950-1955

Made:
1950-1955 in London

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Pressure-protected deep-sea reversing thermometer by Negretti & Zambra, London, 1950-55. Tested by the National Physical Laboratory, 1955-66.

Details

Category:
Oceanography
Object Number:
1977-4
Materials:
brass (copper, zinc alloy), glass, mercury, nickel plated and steel (metal)
type:
thermometer
taxonomy:
  • materials
  • materials
  • inorganic material
  • metal
  • nonferrous metal
  • measuring devices
  • measuring devices
credit:
Institute of Oceanographic Sciences, Deacon Laboratories