Glass Twaddell No 5 hydrometer marked Townson & Mercer
- maker:
- Townson and Mercer
Glass Twaddell No 5 hydrometer marked Townson & Mercer. 218mm long. Range 102 - 138. Mercury weight and paper scale. In black cardboard tube; top has end missing, 1900 - 1960. Hydrometer Index 264.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1997-1069
- Materials:
- glass, mercury and paper (fibre product)
- type:
- hydrometer
- credit:
- Unknown source
