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The KR33-31 is a small neon voltage stabiliser fitted with a small Ediswan screw base cap. As yet we have found no operating details for this device.
The full Type designation, makers name and logo.
The electrodes are a disc and open ring.
The thin glass tube envelope is 16 mm in diameter, and including the base cap is 55 mm tall.
Reference: Observation.


Updated April 08, 2016.
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