A cold cathode decade counter tube, manufactured by Standard Telephones and Cables, England, introduced in the late 1950s or 1960s and used as in electronic counters.

It is a gas filled tube used as decade counter through the transfer of glow discharged round a ring of electrodes. equivalent to a CVX2223, a British military designation.

Vacuum technology was used in its conntruction; it contains low pressure neon gas.

Physical Description

!2 pin base probably unique to this type of tube.

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