Hughes microphone detector, 1865-1875
1865-1875
George III's glass sphere
1761
Glass bell jar with a brass collar
1761
Globe electrical machine attributed to George Adams
1700-1753
Thin-walled square glass bottle
1761
Chadwick's neutron detector
1932
Mattei's electro-homeopathic treatments, Bologna, Italy, 1871-1885
1871-1885
Plate Electrical Machine
1770
Electron diffraction camera, 1925.
1925
experimental Lodge-Muirhead wireless telegraph receiver, 1900-1910
1900-1910
Leyden Jar.
1750-1800
Globe electrical machine attributed to George Adams
before 1753
Gay-Lussac Burette, 1840-1860
1840-1860
Charles Vernon Boys' Original Gravitational Apparatus, 1889
1889
Joule's Electro-Magnet (Calorimeter) Apparatus, 1843
1843
Vacuum chamber of the original cyclotron, 1931 (replica)
1931
Apparatus used by Wheatstone in his early researches in spectrum analysis
1830-1839
Arrow used with Original Boys' bow for Shooting Quartz Fibres, 1887
1887
Davy Infra-red Reflection Apparatus.
1876
Miconine
1820-1900
Unipivot galvanometer
Electric cell, 1823
1823
Replica of Vacuum Vessel Sealed with Wax, 1930
1930
Crookes' Radiometer, 1872-1879
1872-1879
Boys' Radiomicrometer, 1887-1900
1887-1900
two steel dies
1825-1832
Bercine
1820-1900
Ticket for admission to the laying of the first stone of New London Bridge
1930
Electromagnetic machine
1850
Standard mercury thermometer, by Ronketti, 1846
1846
Instrument possibly used to observe atmospheric electricity
Marghine
1820-1900
Spiral fulminating tube
Crookes' Radiometer, 1872-1879
1872-1879
Parallel plate condensor
1828-1857
Globe on stand for electrical experiments
1725-1775
Dip pen associated with Charles Friedel
1840-1860
Reichert's Thermoregulator (Temperature Controller), 1871-1900
1871-1900
Saffron Walden Railway
Arrow used with the Original Boys' Bow for Shooting Quartz Fibres, 1887
1887
Glass Hydrometer, Beaume No. 1, 1866-1876
1866-1876
Quinine
1820-1900
Volta type Eudiometer, English, 1861-1872
1861-1872
Fiducial-ray Cobalt-glass and ocular
Two glass tubes with scale, mounted in bung
Nose pine of cane with decorative green polished stone set in sealing wax at one end
1880-1920
Unidentified preparation
1820-1900
Five pieces of red sealing wax, believed to date from 1930s
1930-1939
Bell jar with brass collar
Aspargine R.
1820-1900