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  • [TWIAR] via HACKADAY: Vacuum Tube Magic Comes To The 741

    From TWIAR via rec.radio.info Admin@21:1/5 to All on Tue Jun 22 23:36:56 2021
    XPost: rec.radio.info

    This Week in Amateur Radio

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    via HACKADAY: Vacuum Tube Magic Comes To The 741

    Posted: 22 Jun 2021 10:22 AM PDT
    https://twiar.net/?p=3974

    Some of you may remember a recent project that featured on these pages, a 555...

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