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.
