Zeometer and instructions
Zeometer - boiling water hypsometer and thermometer. Brass instrument in mahogany box.Essentially comprises an air thermometer and a water thermometer Other observations: Contains mercury. Accompanied by small red booklet by Casella. Booklet gives "Tables for the determination of heights by the observed temperatures of boiling water and of the air". Asbestos Inspection - Non-Asbestos. Eugenics Department.

Casella

c. 1864

London

brass, mahogany

Galton Collection

LDUGC-008

464000008

UCL Galton Collection