Trough battery, 1801-1838
1801-1838
Leclanche cell battery
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
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
Set of magnetical apparatus in case, by Adams
1790
Cathode ray furnace with specimens of coked diamonds
1906-1907
Kelvin & James White Ltd ampere
circa 1903
reflecting astatic moving iron galvanometer
circa 1920
Three magnetic line of force patterns made by Faraday and given to a friend
Methanol/air fuel cell, with component parts
1965
Station electrometer by James White
1867
Replica of apparatus used by Ohm to prove Ohm's Law
1826
Collection of four vacuum tubes (originally seven tubes but three BOS March 1931)
Crookes' tube for showing the focusing of cathode rays
1879-1888
Twenty four electrical radiometers illustrating Sir W.Crookes' research on electrical discharges in a vacuum
1879-1888
"17 inch" plate Wimshurst electrostatic machine
1885
Kilo-ampere balance (a) Box containing sliding weights
1888
Panel containing seven examples of P.O. telephone magnets
Five Geissler tubes by William Ladd, England, 1847-1860
1847-1860
Induction Coil
1881
Leclanché battery
1887
Scale & telescope for use with mirror galvanometer
Variable air capacitor by Graham and Latham Ltd.
1910-1918
Discharging electrometer of unusual form
Rheostat with ten turns of thick wire
ultra violet tubes
Aron Electricity Meter Company electric meter
collection of objects
resistance potentiometer
1897
electrodynamometer
1900
electrodynamometer
circa 1925
Leeds and Northrup `Speedomax H' Chart Recorder
1967
Everett Edgcumbe Circular Synchronizer
Leeds and Northrup `Speedomax H' Chart Recorder
1966
Galvanometer in Wood Framed Glass Case
1905
Vacuum tube used in an unrecorded experiment on cathode rays from a sphere of aluminium
1881
Portable standard multi-range moving coil voltmeter
Large electromagnet pole piece
1850
Early d'Arsonval galvanometer made by Carpentier
1882-1900
A.C. ammeter model 155
Small superconducting electromagnet
1965
Moving magnet gravity control "detector" galvanometer with 2
Replicas of copper disc
1831
Direct reading capacity bridge by Leslie Dixon & Co.
1922-1940
Ayrton & Mather electrostatic gravity voltmeter by R.W. Paul
1893-1901
Plug type bridge box and galvanometer
Pocket voltmeter, moving iron repulsion type
1910
Wire rheostat, 50 ohm 6 amp by Robert W. Paul
1900-1919