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