Cambridge portable potentiometer
1957
Cambridge Instruments portable potentiometer
Potentiometric Recorder
1930-1960
Drysdale-Tinsley universal potentiometer
1910
Potentiometer, type 44228
1955-1964
Two-metre potentiometer complete with jockey and insulated flexible lead
1954-1974
Portable potentiometer no. L-150951 by the Cambridge Instrument Co. Ltd
1940-1959
Tinsley & Co. ESM potentiometer
circa 1953
Foster Instrument Company potentiometer
1940
Fielden Temperature Indicator
1960-1969
Potentiometer, for spontaneous polarisation measurements
1931
Vernier potentiometer type 4363 serial no. 72400
1946
Thermocouple Potentiometer (Electrical Resistance Meter), 1928
1928
Morganite 1 megohm linear potentiometer
Vernier potentiometer
1900-1918
Slide-wire potentiometer for industrial use
1893
Tinsley & Co. potentiometer
1966
Precision Potentiometer
Bruel & Kjaer linear potentiometer ZR 0002 10 - 110mV in wooden case
Direct reading potentiometer
1900-1920
"Vernier" potentiometer (Thomson-Varley slides)
1889
Lewcos wirewound potentiometer 10 000 ohms
Single-wire potentiometer
original "Earley" Pocket Calibrating Potentiometer
1971
Diesselhorst thermoelectric-free potentiometer
1956-1966
potentiometer
circa 1947
Feussner potentiometer No.478 by Otto Wolff
1890-1900
Wirewound potentiometer with swash plate contact
Bruel & Kjaer logarithmic potentiometer ZR 0004 25dB 10 - 180mV
Crompton potentiometer
Early Crompton potentiometer
1900
10 Ohm wirewound potentiometer
High resistance wire - wound potentiometer
Clarastat humdinger balancing potentiometer for reduction of hum
Original alternating current potentiometer
1920
Universal Precision Potentiometer, for measuring temperature of thermocouple in microscope cell
1963
resistance potentiometer
1897
Lissen wire wound potentiometer
dielectrimeter
circa 1925
Deflection potentiometer no.L-270305 by the Cambridge Instrument Co. Ltd.
1950-1959
Precision Potentiometer
circa 1940s-circa 1950s
Precision Potentiometer
circa 1940s-circa 1950s
Controlling Potentiometer
Wavelength potentiometer
Sullivan's potentiometer
Sator combined 10 K potentiometer
Elevator error potentiometer.
Colvern 2 gang wire wound potentiometer
Bruel & Kjaer logarithmic potentiometer ZR 0005 50dB 10mV - 3.16 V
