Trough battery, 1801-1838
1801-1838
Mirror galvanometer for the transatlantic telegraph, 1858
1858
Thomson's mirror marine galvanometer, 1858
1858
Lord Kelvin's 'ironclad' marine galvanometer, 1865-1866
1865-1866
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Set of magnetical apparatus in case, by Adams
1790
Megger Major insulation tester
1960-1969
Voltaic pile given to Faraday, 1813-1827, replica
1813-1827
Replica of apparatus used by Ohm to prove Ohm's Law
1826
Leclanche cell battery
Kelvin's standard centi-ampere current balance
1892-1900
Megger Major hand cranked insulation tester
1980-1989
Dolezalek quadrant electrometer
1913
Induction coil
1981
Bichromate battery
1876
Null balance Megger earth tester
1950-1968
Sensitive gold-leaf electroscope
1820-1856
Wavemeter, type TF975
1954-1969
Weston model 440 galvanometer
1926
Avometer model 15 analogue multimeter by Avo Ltd.
1960-1969
Megger model BMV7 battery operated insulation tester by Evershed and Vignoles Ltd.
1970-1979
Einthoven 6-string galvanometer
1918
Avo clamp meter
1970-1989
Crookes vacuum tube containing a fluorescent 'flower'
Wayne Kerr component bridge type B521
1960-1979
Bichromate cell
Original Daniell cell
1836
Leclanche cell battery
Wheatstone bridge
1967
Early d'Arsonval galvanometer made by Carpentier
1882-1900
Tangent galvanometer
1864-1886
Astatic galvanometer by Elliott Brothers, 1872.
1872
Wheatstone bridge
1932
'AVO' Universal Measuring Bridge Type 1
1958-1969
Leyden jar made from a glass bottle and filled with gold leaf, Galvani collection
1780-1798
Post Office box, Reynolds and Branson Ltd., Leeds
Wiedemann's galvanometer
1876
Electrostatic voltmeter
1888
Induction Coil
1900-1924
Hot-wire voltmeter
1895
Resistance box by Elliott Bros., London
String electrometer by Edelmann, Munchen
Kelvin multicellular electrostatic voltmeter
1892-1900
Faraday electrolysis tube
1833
Chessell type 320 6-channel chart recorder, 1979
1979
Volta pistol, for demonstrating ignition by electrical discharge
Small bichromate cell
Lenard tube unexhausted
1914
Alfred Apps, London, 10-inch induction coil
1890
Direct reading two-range voltmeter
1900