UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

Heatercathodeshort · 12th Dec 2016, 4:51 pm

Caution! The evacuating horn on that tube David is very delicate. I do hope it has a bit more emission compared to your example. Being side pumped they usually stand a better chance. [Less cathode poisoning due to the 'dirty air' being extracted from the bulb rather than being dragged over the cathode via a pinch pump tube.]
Only a test will tell. Fingers crossed...John.

12th Dec 2016, 4:51 pm	#16
Heatercathodeshort Dekatron Join Date: Jun 2005 Location: Warnham, West Sussex. 10 miles south of DORKING. Posts: 9,147	Re: A scary Baird T23. Caution! The evacuating horn on that tube David is very delicate. I do hope it has a bit more emission compared to your example. Being side pumped they usually stand a better chance. [Less cathode poisoning due to the 'dirty air' being extracted from the bulb rather than being dragged over the cathode via a pinch pump tube.] Only a test will tell. Fingers crossed...John.