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Friday, July 18, 2025

Britain's EF-50 Valve (Tube, Thermatron) in WWII


Thanks to Rogier PA1ZZ for sending us this. 
at 12:38 PM
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2 comments:

  1. AnonymousJuly 18, 2025 at 3:53 PM

    Very nice video about a very obscure thermatron. I did not know the EF50 history or purpose even though I have a couple. A nice piece of thermatron history (I could not find anything about it in Tube Lore).

    ReplyDelete
  2. AnonymousJuly 22, 2025 at 2:55 PM

    A very detailed history of the EF50 and British TV and radar is at: https://www.dos4ever.com/EF50/EF50.html

    ReplyDelete

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