Specific gravity hydrometer, range 1800-2000, by J.W. Towers & Co. Ltd., Widnes, 1930-1960. Hydrometer Index 671.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1985-2180
- type:
- hydrometer
- credit:
- St. Mary's Hospital (Praed St.)
Specific gravity hydrometer, range 1800-2000, by J.W. Towers & Co. Ltd., Widnes, 1930-1960. Hydrometer Index 671.