Portable potentiometer model 3155-DPW serial no. 6

1960-1970 in Letchworth

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)


Electricity and Magnetism
Object Number:
Royal Signals and Radar Establishment (M

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