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Energizing a vacuum-tube flip-flop module from a 1948 IBM system

https://www.righto.com/2026/07/ibm-604-trigger-tube-module.html
23•Jimmc414•5d ago

Comments

kens•5d ago
Author here. I've powered up another tube module from the IBM 604, so let me know if you have questions...
CaliforniaKarl•5m ago
What was the failure rate of those vacuum tubes, that they had to be so quick & easy to replace?

I'm also curious, if the cathode was grounded to the machine frame, how dangerous was it to do work on those machines?

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Discovery Loop

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Google DeepMind CEO Demis Hassabis is stepping down

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279•speckx•2h ago•157 comments

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123•louiereederson•52m ago•19 comments

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40•yogthos•3h ago•3 comments

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328•dzdt•5h ago•161 comments

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TIME Is Serving AI Bots a Different Website, with Ads Built In

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8•NaOH•22h ago•0 comments

Fed's Kashkari says 'now is the time to start slowly moving' rates up

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33•mapping365•1h ago•37 comments

Energizing a vacuum-tube flip-flop module from a 1948 IBM system

https://www.righto.com/2026/07/ibm-604-trigger-tube-module.html
23•Jimmc414•5d ago•2 comments