London & Birmingham Railway clock
1837
Whirling Psychrometer, 1950-1953
1950-1953
Marine thermometer by Negretti and Zambra
1890
Clinical thermometer
1851-1900
Earth thermometer with bent stem, c. 1925.
1925
Alarm clock
1840-1900
X-ray installation
1896-1897
eights and mercury thermometer from the Castlereagh Collection for Constantinople (Turkey), and original correspondence for Constantinople and Iona
1800-1818
LEO I computer units: including Storage; Half Adder; Mercury delay line
1950-1965
Barometer, Kew pattern, for use at meteorological stations
1914
Electric Construction Company mercury arc rectifier
Admiral FitzRoy type Barometer, 1876-1884
1876-1884
Mercury-In-Glass Thermometer, 1761
1761
Ordinary mercury-in-glass thermometer in glazed wood case
1830
Mercury-in-glass thermometer in sturdy brass surround
1820-1850
Three glass hydrometers
1850-1930
Wet bulb thermometer for ballooning
1880
Thermometer, mercury, to 110°C in 10x1° increments with milk glass scale
Thermometer, mercury, -20° to 110°C in 10x1° increments with milk glass scale
Improved hydrometer with four weights
1815-1825
Portable barometer, 1800-1820
1800-1820
Saccharometer for beer and wort
1870-1914
Hydrometer for heavy liquids
Set of 6 Twaddell hydrometers nos 4-6 made by William Twaddell
Set of 5 mercury-in-glass Sikes' hydrometers by Peter Stevenson
Maximum and minimum thermometer
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
Thermometer, mercury, 0° to 220°C in 10x1° increments with milk glass scale
Thermometer, mercury, 50° to 100°C in 10x1° increments with milk glass scale
Thermometer, mercury, -30° to 110°C
Thermometer, mercury, 0° to 360°C in 20x2° increments with milk glass scale
Hydrometer set in wooden case by J.F. Van Deene
1882, 1899
Hydrometer for alcohol; Cartier and Gay-Lussac scales
6 boxed Twaddell hydrometers
1870-1914
Glass Gay-Lussac hydrometer (densimeter)
1871-1900
Symons earth thermometer
1966
Maximum thermometer
Symons earth thermometer
1880-1889
Symons earth thermometer
1952
Mercury thermometer in brass frame, 1775-1785
1775-1785
Fahrenheit thermometer
1880-1920