Kelvin Quadrant Electrometer, 1866
1866
Thompson quadrant electrometer by J. White of Glasgow
Peltier Type Electrometer, 1848
1845
Harris's balance electrometer, 1840-74.
1840-1874
Thomson's Portable Electrometer, 1867-1888
1867-1888
Lindemann electrometer
Kelvin quadrant electrometer no. 99
1867-1896
Lindemann electrometer
1930-1950
Henley's quadrant electrometer
Quadrant electrometer
1828-1857
Discharging electrometer of unusual form
Kelvin quadrant electrometer in use until 28th May 1955
1955
Part of a electrometer
1857
Parts of an electrometer
1857
part of Sir W. Thomsons portable electrometer
part of Sir W. Thomsons portable electrometer
part of Sir W. Thomsons portable electrometer
Farmer electrometer
1960
Sir W. Thomsons portable electrometer
1867-1876
Vibrating reed electrometer by Ekco Electronics Ltd England
1957-1963
Electrometer, modified Henley pith-ball type
Automatic scaler type N530T
Quadrant Electrometer
1867-1900
Kelvin Type Quadrant Electrometer, 1857
1857
Vibrating reed electrometer by Ekco Electronics Ltd England
1957-1963
Clockwork & drum
Kelvin (White) quadrant electrometer (No.71)
1885
Personnel monitoring system consisting of electrometer made by Baldwin Instrument Co. Ltd
1955-1960