Cambridge portable potentiometer
1957
Potentiometric Recorder
1930-1960
Cambridge Instruments portable potentiometer
Potentiometer, for spontaneous polarisation measurements
1931
Potentiometer, type 44228
1955-1964
Foster Instrument Company potentiometer
1940
Drysdale-Tinsley universal potentiometer
1910
Vernier potentiometer type 4363 serial no. 72400
1946
Portable potentiometer no. L-150951 by the Cambridge Instrument Co. Ltd
1940-1959
Morganite 1 megohm linear potentiometer
Lissen wire wound potentiometer
Crompton potentiometer
Lewcos wirewound potentiometer 10 000 ohms
Tinsley & Co. potentiometer
1966
resistance potentiometer
1897
dielectrimeter
circa 1925
potentiometer
potentiometer
Precision Potentiometer
circa 1940s-circa 1950s
"Vernier" potentiometer (Thomson-Varley slides)
1889
Vernier potentiometer
1900-1918
Slide-wire potentiometer for industrial use
1893
Colvern 2 gang wire wound potentiometer
Precision Potentiometer
Fielden Temperature Indicator
1960-1969
Elevator error potentiometer.
Precision Potentiometer
circa 1940s-circa 1950s
Thermocouple Potentiometer (Electrical Resistance Meter), 1928
1928
Deflection potentiometer no.L-270305 by the Cambridge Instrument Co. Ltd.
1950-1959
Two-metre potentiometer complete with jockey and insulated flexible lead
1954-1974
potentiometer
circa 1947
Direct reading potentiometer
1900-1920
Feussner potentiometer No.478 by Otto Wolff
1890-1900
Single-wire potentiometer
Doran DC Potentiometer (no.3512)
1953
Early Crompton potentiometer
1900
Colvern potentiometer with integral knob
Sator combined 10 K potentiometer
10 Ohm wirewound potentiometer
Wirewound potentiometer with swash plate contact
High resistance wire - wound potentiometer
original "Earley" Pocket Calibrating Potentiometer
1971
Clarastat humdinger balancing potentiometer for reduction of hum
Tinsley & Co. ESM potentiometer
circa 1953
potentiometer
Sullivan's potentiometer
Varley 25 watt 50
Bulgin potentiometer with switch
Universal Potentiometer Type K-3 Catalog No.7553-5 No.1599601
1960-1979
Slide-wire potentiometer no. L 323306 by the Cambridge Instrument Co. Ltd.
1950-1960