Glass customs and excise specific gravity hydrometer

Made:
1880-1940
maker:
James J Hicks

Glass customs and excise specific gravity hydrometer by J Hicks. Mercury weight and paper scale. In tinplate tube. Range 650 - 900.

Details

Category:
Experimental Chemistry
Object Number:
2005-509
type:
gravity hydrometer
credit:
Laboratory of the Government Chemist