

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:
- glass, mercury, brass (copper, zinc alloy), nickel plated and steel (metal)
- Measurements:
-
overall: x 315 mm x , 18 mm, .105kg
- type:
- thermometer and mercury thermometer
- credit:
- Institute of Oceanographic Sciences, Deacon Laboratories