Casella Type Minimum Mercury Thermometer, 1871
1871
Minimum centigrade thermometer
1961
Minimum thermometer by Negretti and Zambra
1862
Standard Rutherford minimum thermometer
1790 (designed)
Grass minimum thermometer by Calderara, 1928.
1928
Minimum thermometer, British, 1931
1931
Minimum thermometer with bifurcated bulb
1873
Minimum thermometer
1961
Minimum thermometer with box, British, 1931
1931
Negretti and Zambra mercurial minimum thermometer by Negretti and Zambra
1855