VINTAGE 1953 IBM VACUUM TUBE MODULAR LOGIC PLUG-IN ASSEMBLY FRAMED

Discussion in 'eBay Auctions' started by erek, Nov 7, 2019.

  1. erek

    erek 2[H]4U

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  2. DrLobotomy

    DrLobotomy [H]ardness Supreme

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    I don't see any vacuum tubes.
     
  3. erek

    erek 2[H]4U

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    SamuelL421 and GoldenTiger like this.
  4. DrLobotomy

    DrLobotomy [H]ardness Supreme

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    This is what comes up....


    s-l1600.jpg
     
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  5. erek

    erek 2[H]4U

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    Oh, sorry, somehow posted the wrong link initially
     
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  6. erek

    erek 2[H]4U

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  7. Burticus

    Burticus [H]ardness Supreme

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    Tht ube thing would make cool wall art
     
  8. erek

    erek 2[H]4U

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    CuriousMarc booted one of these Vacuum Tube modules up! It's a debouncer circuit:

     
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