Two glass hydrometers by Oerling
- Made:
- 1870-1940
- maker:
- L Oertling
Two glass hydrometers by Oerling. Mercury weights and paper scales. In mahogany box. No. 1 equals range 670 - 720 and No. 2 equals range 790 - 830.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 2005-455
- type:
- hydrometer
- credit:
- Laboratory of the Government Chemist