Glass Gerber hydrometer
- Made:
- 1900-1960
Glass Gerber hydrometer, possibly lactometer, by unknown maker. 162mm long. Range 25 - 35. Mercury weight and paper scale. With built-in thermometer. In black cardboard tube, 1900 - 1960.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1997-1125
- Materials:
- glass, mercury, paper (fibre product) and cardboard
- type:
- hydrometer and lactometer
- credit:
- Unknown source