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Re: Jelly Beans ????



Bettina Barbier wrote:
> 
> Bill,
>   Have you seen those tubes with the little paddlewheel inside?  Anyone
> got one of those?  Maybe Benny Kresge has one, this would make a nice
> little .avi (and Kenny, this time the hint really is for you.)
> 
> BB
> 
> > 3D ripples caused by the "electron wind."  Other suggestions for
> > testing which version is closer to correct?

Those are geisller tubes (one version of them).  They are very collectable 
however they produce many many x-rays.  I have access to one.  Its real neat to 
watch it work.  A standard transformer works well with them.

Do you know if they are still being made?  

Howie Cohen


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