


Thermocouple Potentiometer (Electrical Resistance Meter), 1928
1928

"Vernier" potentiometer (Thomson-Varley slides)
1889

Vernier potentiometer
1900-1918

Vernier potentiometer type 4363 serial no. 72400
1946

Drysdale-Tinsley universal potentiometer
1910

Slide-wire potentiometer for industrial use
1893

Colvern 2 gang wire wound potentiometer

Precision Potentiometer

Lissen wire wound potentiometer

Deflection potentiometer no.L-270305 by the Cambridge Instrument Co. Ltd.
1950-1959

Crompton potentiometer

Cambridge portable potentiometer
1957

Two-metre potentiometer complete with jockey and insulated flexible lead
1954-1974

Tinsley & Co. potentiometer
1966

Potentiometric Recorder
1930-1960

resistance potentiometer
1897

dielectrimeter
circa 1925

potentiometer

potentiometer

Precision Potentiometer
circa 1940s-circa 1950s

Precision Potentiometer
circa 1940s-circa 1950s

Fielden Temperature Indicator
1960-1969

Potentiometer, for spontaneous polarisation measurements
1931

Elevator error potentiometer.

Cambridge Instruments portable potentiometer

Foster Instrument Company potentiometer
1940

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

Potentiometer, type 44228
1955-1964

Morganite 1 megohm linear potentiometer

Sullivan's potentiometer

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

potentiometer
circa 1947

Portable potentiometer no. L-150951 by the Cambridge Instrument Co. Ltd
1940-1959

original "Earley" Pocket Calibrating Potentiometer
1971

Clarastat humdinger balancing potentiometer for reduction of hum

Tinsley & Co. ESM potentiometer
circa 1953

potentiometer
Student's potentiometer
1960-1979
Potentiometric titration apparatus
Nalder Bros. potentiometer
1900
Cambridge Instrument Company potentiometer
1960