The construction of an triode, by hand

[Claude Paillard] is truly talented. He makes triodes by hand. This is a long and arduous process that has many steps, each of which could be messed up pretty easily. [Claude] makes it look easy though.

You might recognize this from way back in 2009 when we covered it on

[thanks for the tip David]


  1. John Craker says:

    THAT my friends is a lesson in patience, and diverse skills. Major respect.

  2. Doug says:

    I take it electrode is the term the French us to refer to a valve -electron tube or vacuum tube.

  3. Per Jensen says:

    The “Electrode” is probably a typo of Triode…

  4. vbl says:

    Please fix the title of this article — it confuses readers :). Video is titled “Fabrication d’une lampe triode”, i.e. fabrication of a triode. “Les electrodes” is the name of first part of the video where electrodes are being made.

  5. RetepV says:

    You gotta have a look at this guy’s work as well:

  6. harrydell says:

    Bravo Claude,
    Vous êtes incroyable

  7. Murtaugh says:

    After years, this video still amazing me and inspiring me to build vacuum tubes – someday.

  8. ron soyland says:

    Take a look at “glasslinger” on youtube for amateur tubemaking today.

  9. Just So says:

    This brings back the magic from long ago. You can’t look into a modern integrated circuit or even a transistor and see the working parts of the device (at least not without something to remove the epoxy and a high power microscope system).

    A thermionic valve (electron tube) has three electrodes, a (usually heated) cathode, a control grid, and an anode. A pentode has all that and a suppressor grid and screen grid.

    The common term in French for a valve (or tube) is ‘lampe’ – because it glows.

  10. Tom The Brat says:

    Pianist required?

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