


Thermometer, surface, watch-type
1801-1900

Dr Aitken's clinical thermometer, 1865.
1801-1900

Glass clinical thermometer, in plate case

Hydrometer, saccharometer, brass
1811-1812

Hydrometer, saccharometer, brass
1801-1830
1801-1900
1801-1900
1811-1812
1801-1830