Three glass hydrometers
- Made:
- 1850-1930
Three glass hydrometers, one marked by Pastorelli & Rapkin with range 0.700 - 1.000 and 348mm long, one by unknown maker with range 1.300 - 1.600 and 359mm long, and one by unknown maker with range 1.600 - 2.000 and 385mm long. Mercury weights and paper scales. In box made of deal with mahogany veneer; box has tall glass beaker and spaces for fourth hydrometer (missing) and thermometer (missing), 1850 - 1930.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1997-1142
- Materials:
- glass, mercury, paper (fibre product), deal and mahogany (wood)
- type:
- hydrometer
- credit:
- Unknown source