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Re: Ancient Rectifiers



Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" <Mddeming-at-aol-dot-com>

In a message dated 2/1/01 10:45:55 AM Eastern Standard Time, tesla-at-pupman-dot-com 
writes: 



>
> Original poster: "Mike Harrison by way of Terry Fritz <twftesla-at-uswest-dot-net> 
> " <mike-at-whitewing.co.uk> 
>
> On Wed, 31 Jan 2001 20:12:40 -0700, you wrote: 
>
> >Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" 
> <Mddeming-at-aol-dot-com> 
> > 
> >Hi All! 
> > 
> >Does anyone have knowledge of/remember/ever seen large rectifier tubes 
> >(~12in. high) with screw bases like a lightbulb? 
> I have some pics of these : 
> www-dot-netcomuk.co.uk/~wwl/bigbottles.html (3rd row down, centre) 
> and some  in an electron microscope  HV supply : 
> www-dot-netcomuk.co.uk/~wwl/50KVpus.html 
>
>
> >I know they are rated >100 
> >kV with 6.3 v / 6 amp filaments. Two are VR-17C, one is a VR-6-CFR and one 
> is 
> >a Machlett ML-46-E. Other than the fact that they are of great vintage 
> (like 
> >me) and from old X-ray machines, I can find no other data. Thought they 
> might 
> >make a heckacious full-wave bridge. Any help out there? 



. 
Yup, that's the picture of what they look like. Anybody got any operating 
specs? 

Matt D