Hydrometer

Glass hydrometer, with lead shot in the bulb. Ivory scale marked from 0 to 40.

Object Details

ID: NAV0990
Collection: Oceanography
Type: Hydrometer
Display location: Not on display
Creator: Negretti & Zambra
Date made: circa 1902
Credit: National Maritime Museum, Greenwich, London. Donated by Marine Scotland Marine Laboratory.
Measurements: Overall: 207 mm; Diameter: 27 mm