Summary

Cold cathode gas filled diode. Referred to as a voltage stabiliser, it maintains a fairly stable voltage of between 90 to 110 volts over a current range of 1 to 8 mA. VS70 is the RAF designation for the Philips/Mullard type 7475.
Manufactured for: Royal Air Force, England.

Physical Description

Tubular bulb with 4 pin European style base.

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