Marine thermometer by Negretti and Zambra
1890
Whirling psychrometer for measuring humidity
1950-1953
London & Birmingham Railway clock
1837
Clinical thermometer
1851-1900
Alarm clock
1840-1900
Earth thermometer with bent stem, c. 1925.
1925
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
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 centigrade thermometer
1801-1920
Clinical centigrade thermometer
1801-1900
Clinical centigrade thermometer
1850-1917
Clincial centigrade thermometer with case
1801-1920
Marks skin thermometer made by G. H. Zeal
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
Clinical thermometer
circa 1920-50
Mercury thermometer for readings from -6 deg C to 104 deg C
1890
Twaddle Hydrometers
1950-1970
Tubes for the whirling table
1753
De Luc whalebone hygrometer by Hausmann, 1781.
1781
Deep-Sea Reversing Mercury Thermometer, 1933
1933
Aneroid Barometer, 1848
1848
Daniell hygrometer
1822
Hicks patent mercurial minimum thermometer with brass sliding scale
1861
Aneroid barometer by Kruss, 1884.
1884
Assmann psychrometer by C. F. Casella
1919
Angstrom pyrheliometer
1914
Balfour-Stewart experimental mercury thermometer
1856
Barometer by Daniel Quare c1690
circa 1700
Lambrecht Hygrometer
1875-1900
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