Carwardine type saccharometer, England, 1894-1930
Related Themes and Topics
There are 455 related objects. View all related objects
A hydrometer is an instrument used to measure the specific gravity (or relative density) of liquids; that is, the ratio of the density of the liquid to the density of water. A hydrometer is usually cylindrical and made from glass.
Glossary: clinical diagnosis
A diagnosis given based on the signs and symptoms of a disease.