[Robotgroup] Video on making a triode

[Paul Atkinson]

That is a very cool video. I never learned to design with tubes, but I was
quite interested in glass blowing as a kid. Other than there not being 2
identical ampules on the table, he seems to be quite a craftsman.

Paul

On Jan 9, 2008 4:43 AM, Don Colbath <dcolbath at austin.rr.com> wrote:

>
> Definitly cool!  Noticed the annealing process with the yellow sooty flame
> between each step to keep stresses at bay.  Same process is used when
> working aircraft sheet aluminum.  Also noticed when they were showing the
> blue tube base (coulotte) they were doing their own injection molding.
> Projects I want to do, with a little help from Rick is building an
> injection
> moldeing and a vacuum form machine.
>
> RoboDon
>
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