Thermo-hydrometer for glue with paper scale showing temperature corrections inside the bulb
Thermo-hydrometer for glue with paper scale showing temperature corrections inside the bulb. Bulb reinforced with covering of silver. G.H. Zeal Ltd., London, 1984.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1984-645/39
- type:
- hydrometer
- credit:
- G H Zeal Limited