Hydrometer, Sikes, brass
1801-1900
Hydrometer, Sikes, brass
1801-1900
Hydrometer, brass, in wooden case
1801-1900
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
Thermometer, Centigrade, glass
1801-1900
Thermometer, glass, Centigrade
1801-1900
Thermometer, Centigrade, glass
1801-1900
Thermometer, Centigrade, glass
1801-1900
A glass thermometer, 19th century
1801-1900