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Heatercathodeshort · 28th Jul 2021, 7:40 pm

As a modest collector of vintage light bulbs I am fascinated by this lamp. I never knew it existed. The Hydrogen filled ballast barretter, in a very similar form was used as a heater regulator in GEC and English Electric TV receivers from the early 50's to around 1956. John.

28th Jul 2021, 7:40 pm	#14
Heatercathodeshort Dekatron Join Date: Jun 2005 Location: Warnham, West Sussex. 10 miles south of DORKING. Posts: 9,147	Re: Nernst Lamps As a modest collector of vintage light bulbs I am fascinated by this lamp. I never knew it existed. The Hydrogen filled ballast barretter, in a very similar form was used as a heater regulator in GEC and English Electric TV receivers from the early 50's to around 1956. John.