Hydrometer, brass, in wooden case
1801-1900
Hydrometer, Sikes, brass
1801-1900
Hydrometer, Sikes, brass
1801-1900
Hydrometer, Sikes, brass
1801-1900
Thermometer, clinical, by H. J. Hills
1848-1858
Mercury bath thermometer
Thermometer, cased, Fahrenheit
Bath thermometer
1850-1920
Bath thermometer
1850-1920
Bath thermometer
1850-1920
Thermometer, bath, Fahrenheit
1901-1900
Clinical thermometer
Thermometer, Fahrenheit, glass
1801-1900
Forbes bath themometer, German, mid 19th century
1940-1960
Clinical centigrade thermometer
1885-1900
Bath thermometer
Clinical thermometer
Clinical thermometer
A glass thermometer, Centigrade, 19th century
1801-1900
Fahrenheit thermometer
1850-1920
Clinical thermometer
Clinical thermometer
Clinical thermometer
Clinical thermometer
Clinical thermometer
Clinical thermometer
Clinical thermometer
Thermometer, Centigrade, glass
1801-1900
Thermometer, Centigrade, glass
1801-1900
Thermometer, Centigrade, glass
1801-1900
Thermometer, glass, Centigrade
1801-1900
Thermometer, Centigrade, glass
1801-1900
Themometer, Centigrade, glass
1801-1900
Clinical thermometer
Thermometer, Centigrade, glass
1801-1900
Thermometer, in case
Thermometer, Fahrenheit, glass
1901
Thermometer, Fahrenheit, glass
1801-1900
Thermometer, glass, Fahrenheit
1801-1900
Clinical thermometer
Centigrade thermometer
1850-1920
Fahrenheit thermometer
1830-1870
Thermometer, cased, clinical
Clinical thermometer in wooden case
Thermometer, Centigrade, glass
1801-1900
Sikes hydrometer
Brass Sikes hydrometer
Pocket Sikes hydrometer
Hydrometer, saccharometer, brass
1811-1812