Glass streamline specific gravity hydrometer by J W Towers, bearing serial number 9093. Lead shot weight and paper scale. In cardboard tube, probably not original (too short). Range 0.600 - 0.700. Hydrometer index 255.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 2005-586
- type:
- gravity hydrometer
- credit:
- Laboratory of the Government Chemist