
Brass hydrometer
- Made:
- 1840-1908; 1848-1860

Brass hydrometer, Negretti & Zambra, used to determine density of sea water
Details
- Category:
- Oceanography
- Object Number:
- 1908-87/3
- type:
- hydrometer
- credit:
- Meteorological Office
Brass hydrometer, Negretti & Zambra, used to determine density of sea water