Hydrometer, Sikes, brass
1801-1900
Sikes hydrometer
Hydrometer, Sikes, brass
1801-1900
Dr Forbes-type bath thermometer, London, England, 1830-1900
1830-1900
Thermometer, fahrenheit, mercury, in brass case
Clinical thermometer
1891-1910
Hydrometer, brass, in wooden case
1801-1895
Mercury bath thermometer
Hydrometer, Sikes, brass
1801-1900
Pocket Sikes hydrometer
Bath thermometer
Hydrometer, in case
Thermometer, Centigrade, glass
1801-1900
Sikes hydrometer
Clinical thermometer
1900-1920
Hydrometer, brass, in wooden case
1801-1900
Thermometer, Fahrenheit, glass
1801-1900
Mercury bath thermometer
1870-1901
Thermometer, glass and plastic
1870
Clinical thermometer
Fahrenheit thermometer
1826-1854
Mercury bath thermometer
1800-1899
Clinical Fahrenheit thermometer
1877-1905
Fahrenheit room thermometer
Clinical thermometer
Fahrenheit thermometer
1850-1920
Clinical thermometer
Bent clinical thermometer
Hydrometer, saccharometer, brass
1811-1812
Clinical thermometer
Thermometer, Fahrenheit, glass
1901
Bath thermometer
1830-1920
Mercury thermometer in case
Clincal thermometer
Bath thermometer, made in Germany
Thermometer, Centigrade, glass
1801-1900
Thermometer, glass, Fahrenheit
1801-1900
Glass Fahrenheit Thermometer in leather case
1801-1900
Clinical thermometer
1901-1910
Bath thermometer
Thermometer, bath, Fahrenheit
1901-1900
Clinical thermometer
Thermometer, in case
Bath thermometer
1850-1920
Bath thermometer
1850-1920
Currie clinical thermometer
1851-1900
Thermometer, Centigrade, glass
1801-1900
Glass thermometer, London, England, 1801-1900
1801-1900
Clinical thermometer
