Whirling psychrometer for measuring humidity
1950-1953
London & Birmingham Railway clock
1837
Marine thermometer by Negretti and Zambra
1890
Earth thermometer with bent stem, c. 1925.
1925
Alarm clock
1840-1900
Tubes for the whirling table
1753
Hydrometer for heavy liquids
Glass 'Technico' hydrometer
1860-1980
Glass 'diabetes' hydrometer by unknown maker
1870-1940
Glass 'Technico' hydrometer. 184mm long. Range 1.850 - 1.900. Mercury weight and paper scale. In black cardboard tube
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass hydrometer marked Gallenkamp and marked 'Spec. Gew.'
1900-1940
Glass hydrometer by unknown (probably German) maker
1870-1940
Glass hydrometer by unknown maker
1860-1980
Hydrometer set in wooden case by J.F. Van Deene
1882, 1899
Hydrometer for alcohol; Cartier and Gay-Lussac scales
Glass Gay-Lussac hydrometer (densimeter)
1871-1900
Glass hydrometer by unknown (German) maker
1870-1940
Glass hydrometer by J Hicks
1880-1940
3 diabetes hydrometers
1871-1930
Glass hydrometer by unknown maker
1860-1980
Glass Gerber hydrometer
1900-1960
Glass specific gravity hydrometer marked Townson & Mercer
1900-1960
Mercury-in-glass thermometer in cardboard case measuring in the range -20 to 360 degrees Centigrade
1850-1924
Walferdin maximum thermometer, by Stock á Paris
1800-1899
Mercury-in-glass thermometer mounted on white tile (broken) and wood
1850-1924
Mercury-in-glass thermometer in metal case
1850-1924
Walferdin minimum thermometer
1800-1899
Glass specific gravity hydrometer by unknown maker
1860-1980
Twaddle Hydrometers
1950-1970
Clinical Thermometer by Alexander Wilson, 1735-1745
1735-1745
Mercury in glass thermometer
1780-1840
Physiological Mercury Thermometer, 1876
1876
Physiological Mercury Thermometer, 1876
1876
Physiological Mercury Thermometer, 1876
1876
Ear Mercury Thermometer, 1876
1876
Bent clinical thermometer
1820-1880
Thermometer, Fahrenheit, glass
1801-1900
Thermometer, glass, Centigrade
1801-1900
Fahrenheit, clinical thermometer
1801-1920
Clinical Fahrenheit thermometer
1801-1920
Clinical Fahrenheit thermometer
1801-1920
Clinical thermometer
Clinical thermometer
1851-1920
Clinical centigrade thermometer
1801-1920
Clinical centigrade thermometer
1801-1900
Clinical centigrade thermometer
1850-1917