Whirling Psychrometer, 1950-1953
1950-1953
Marine thermometer by Negretti and Zambra
1890
London & Birmingham Railway clock
1837
Earth thermometer with bent stem, c. 1925.
1925
Clinical thermometer
1851-1900
Alarm clock
1840-1900
Improved hydrometer with four weights
1815-1825
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
Fahrenheit thermometer
1880-1920
Hydrometer marked O or W at top
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 รก Paris
1800-1899
Thermometer used by Thomas Hancock in his vulcanisation of rubber experiments
1840
Standard mercury thermometer, 1854
1854
Lowne patent sympiezometer
1875
Urinometer, glass, unsigned, British, c. 1930
1920-1940
Bent clinical thermometer
1820-1880
Screen mercury thermometer, sheathed, 1985
1985
Clinical thermometer
Clinical thermometer
1851-1920
Clinical centigrade thermometer
1850-1917
Marks skin thermometer made by G. H. Zeal
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
Hydrometer, range 3.0-3.2
Barometer by Daniel Quare c1690
circa 1700
Improved saccharometer
1825-1835
Tubes for the whirling table
1753
Immersion thermometer
Six maximum and minimum thermometer by J. Newman
1834-1857
Six's maximum and minimum thermometer
1780
Six's maximum and minimum thermometer
1780
Clinical Thermometer by Alexander Wilson, 1735-1745
1735-1745
Six's maximum and minimum thermometer
1780