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Old 13th May 2021, 2:21 pm   #2
Heatercathodeshort
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Join Date: Jun 2005
Location: Warnham, West Sussex. 10 miles south of DORKING.
Posts: 8,062
Default Re: Did Brimar ever make any transistors?

From the Brimar Radio Valve and teletube Manual No. 7. Not dated but guess 1955/56 as they mention the 'New band 3 valves'. J.
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