Glass Cartier hydrometer
Floating dairy thermometer, in Fahrenheit
1801-1900
Fahrenheit thermometer by Tagliabue and Torre
Hydrometer and thermometer, Baume
Clinical thermometer
1861-1870
Spirit bubble
Clinical surface thermometer with crozier-shaped bulb
Centigrade clinical thermometer, French, 1771-1830
1771-1830