Glass hydrometer by unknown maker
- Made:
- 1920-1960
Glass hydrometer by unknown maker. 230mm long. Range 1.150 - 1.250. Lead (embedded in red wax) weight and paper scale. In blue cardboard tube of oval cross-section, 1920 - 1960.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1997-1127
- Materials:
- glass, lead (metal), paper (fibre product) and cardboard
- type:
- hydrometer
- credit:
- Unknown source