Vernier potentiometer 44246/2 serial no.L346153 made by the Cambridge Instrument Co Ltd in 1958 Vernier potentiometer 44246/2 1958
Universal Potentiometer Type K-3 Catalog No.7553-5 No.1599601, Made in USA by Leeds & Northrup Co, Philadelphia ranges 0.016, 0.16, and 1.6 V with sensitivities of 1, 10 and 100 microvolts. Universal Potentiometer Type K-3 Catalog No.7553-5 No.1599601 1960-1979
Potentionometer with four 50cm wires, by Philip Harris Ltd. Potentionometer with four 50cm wires 1943-1980
Portable potentiometer model 3155-DPW serial no. 68561 scale no.2235, by the Foster Instrument Co. Ltd., Letchworth, Herts, England, calibrated for e.m.f. (0-20 and 0-60mV), thermocouple temperature (various), resistance (0-60 and 0-600 ohms), and as a potential source. (Slightly damaged) Portable potentiometer model 3155-DPW serial no. 68561 scale no.2235 1960-1970
Slide-wire potentiometer no. L 323306 by the Cambridge Instrument Co. Ltd., England, scaled 0-1.8V by 0.002V, with x1, x0.1 and x0.01 ranges Slide-wire potentiometer no. L 323306 by the Cambridge Instrument Co. Ltd. 1950-1960
Cambridge precision vernier potentiometer, Model No. L-93361. Cambridge precision vernier potentiometer
Original alternating current Drysdale polar-type potentiometer Original alternating current potentiometer 1920
Thermocouple potentiometer type P4 no.6505, by the Croydon Precision Instrument Co. Ltd., scaled 0-21mV with x1 and x5 range switch, with built-in pot galvanometer by the Cambridge Instrument Co Ltd., and built-in standard cell Thermocouple potentiometer type P4 no.6505 1950-1970
Potentiometric titration apparatus by Baird and Tatlock with Mullard potentiometer. Possible other part to be located. Potentiometric titration apparatus
Two Igranic-Pacent porcelain potentiometers 400-ohms, with instruction leaflets, in manufacturer's carton, c1927 Two Igranic-Pacent porcelain potentiometers 400-ohms