Twaddell no 4 hydrometer

Glass Twaddell's no 4 hydrometer by J W Towers. Lead shot weight and paper scale. In blue cardboard tube. Range 0.74 - 1.02.

Details

Category:
Experimental Chemistry
Object Number:
2005-522
type:
hydrometer and twaddell hydrometer
credit:
Laboratory of the Government Chemist