Glass hydrometer with no intermediate markings. Le

Made:
1920-1950 in Widnes and Cheshire

Glass hydrometer with no intermediate markings. Lead weight and paper scale. Indark blue cardboard case, marked J W Towers, Widnes. Range 750 - 800.

Details

Category:
Experimental Chemistry
Object Number:
2005-495
type:
hydrometer
credit:
Laboratory of the Government Chemist