Signedunsigned
Inscribedon scale: Bleiprobe
FunctionFor liquids with a density equal or greater than that of water. One lets the hydrometer float on the liquid and then one takes a reading at the height indicated by the liquid's surface.
Historical AttributesThis instrument appears to have been to the Schlaginweit Expedition to Central Asia between 1854 and 1858.
ProvenanceAcquired with other instruments from the Schlaginweit Expedition in Germany, 1959 (Object 31).