P 809 Mercury Fever Thermometer

P 810 Mercury Fever Thermometer

P 812 Mercury Fever Thermometer, 1930s- 1940s, Uebe GmbH, Zerbst

P 813 Mercury Fever Thermometer, 1930-1950

P 819 Mercury minimal- maximal fever thermometer, Julius Lieberg, 1920s-1930s

P 822 Mercury fever thermometer, late 19 century

P 824 KRC Medical Thermometer, Germany, 1944

P 827  Mercury Fever Thermometer, Otto Friese, Zerbst, 1930s

P 829 Mercury Fever Thermometer with blue-glowing scale, Vita Fieberthermometer, Wien