Glass specific gravity hydrometer marked Townson & Mercer
- Made:
- 1900-1960
- maker:
- Townson and Mercer
Glass specific gravity hydrometer marked Townson & Mercer. Range 1.500 - 2.000. Mercury weight and paper scale. In cardboard tube, cap missing, 1900 - 1960.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1997-1147
- Materials:
- glass, mercury, paper (fibre product) and cardboard
- type:
- hydrometer
- credit:
- Unknown source
