Glass hydrometer with specific gravity seal for liquids from petroleum ether to oleum
- Made:
- London
- maker:
- Thomas O Blake
Glass hydrometer with specific gravity seal for liquids from petroleum ether to oleum, serial no. 50107, by T. O. Blake, 57 Hatton Garden, London, England.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1921-299
- Materials:
- glass, mercury weight and paper scale and case: cardboard tube
- type:
- hydrometer
- credit:
- Blake, Thomas O