Lord Kelvin's 'ironclad' marine galvanometer, 1865-1866
1865-1866
Thomson's mirror marine galvanometer, 1858
1858
Mirror galvanometer for the transatlantic telegraph, 1858
1858
Trough battery, 1801-1838
1801-1838
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Set of magnetical apparatus in case, by Adams
1790
Replica of apparatus used by Ohm to prove Ohm's Law
1826
Sullivan-Griffiths inductance (second grade) by H.W. Sullivan Ltd.
1962
Prototype Kerr cell dated 1959-1964
1959-1964
Pair of vibration magnetometer magnets 4 inches long and a brass comparison bar
1816-1850
Pair of vibration magnetometer magnets 2.5 inches long
Old vertical cylinder frictional electrical machine
1765-1769
Bichromate cell, Grenet pattern
Kelvin quadrant electrometer
1890
Vacuo-junction mounted in holder
1930
Replica of Davy's apparatus showing rotation of mercury carrying a radial current in the presence of a magnet
1823
Deflectional electro-dynamometer, portable
1887-1900
Apparatus to produce electrical discharge between brass ball and metal disc
Standard cell, model 4, serial no.3653
1900
Glass jar containing dancing pith balls
"Megger" moving-iron voltmeter
Bichromate battery, 1876
1876
Geissler tube
Crookes vacuum tube for demonstrating the properties of cathode rays
Holtz 'restricted ray' vacuum tube
Inductometer, type 14 B
1934
Rotating coil for the absolute measurement of resistance
1863
Apparatus for demonstrating electromagnetic induction
1937
"Eclipse" magnetic holdfast (type) no.941
1950-1975
Electro-magnet wound with copper strip
1876
Resistance box No.51580 by St. N.T.S's Fabrik
1875-1924
One vacuum tube containing mill wheel for showing the mechanical effects of "canal" rays
1907
Precision incremental capacitor
1975-1984
Standard resistance box
1970-1979
Wilson gold leaf electrometer
1912
Discharge tube for demonstrating electromagnetic rotation
Universal voltmeter type 261 Serial No.116 made by Sapphire Research and Electronics Ltd
1955-1960
"Cropico" Students Wheatstone Bridge No.7267
1960-1979
Kelvin astatic wattmeter
1913-1920
Apparatus for demonstrating electromagnetic induction
1937
Apparatus for demonstrating electromagnetic induction
1937
Duddell oscillograph by Cambridge Instrument Co.
1927
Cathode-ray oscilloscope type GM 3155 B no.3851
1940-1959
Moving-coil reflecting galvanometer type M
1967
Ayrton Mather portable ballistic galvanometer
1900
Double chambered vacuum tube with separating wall pierced in two places
1891
Copper sphere
Gold leaf electrometer with sliding condenser
1886
Resistance box
Smith's mercurial commutator
1902