Glass lactometer with integral thermometer with case; scale inscribed 15-45

Made:
late 19th century in Germany

Glass lactometer with integral thermometer with case; scale inscribed 15-45, correct at 600F, no.251 and made in Germany. Hydrometer Index 361.

Details

Category:
Experimental Chemistry
Object Number:
1964-528
Materials:
glass, mercury weight, paper scale
type:
hydrometer and lactometer
credit:
McLachlan, T.