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Re: TCBOR Magnifier 11-E Specs

tesla-at-grendel.objinc-dot-com wrote:
> 
> >From dll-at-egg-rb-dot-com Thu Apr 11 07:12 MDT 1996
> From: dll-at-egg-rb-dot-com
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<tesla-at-grendel.objinc-dot-com>; Thu, 11 Apr
> Date: Thu, 11 Apr 1996 07:25:05 -0400 (EDT)
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> Subject: Re: TCBOR Magnifier 11-E Specs
> To: tesla-at-grendel.objinc-dot-com
> 
> Your comments about the lack of markets for spark gaps isn't quite correct.  A
> number of companies world wide have been manufacturing spark gaps continuously
> for many years.  The major American manufacturers are Josyln, C.P. Clare, EG&G,
> and MPD. The main market for these has been in surge protection equipment.
> 
> In addition to spark gaps, there are interrupters and switches manufactured by
> Seimens, Cooper Industries, and others.  These devices are used in Utility
> Switch Gear.
> 
> The Thyratron is another type of high speed long life switch that has been
> produced for years by Litton Industries, ITT, and EG&G.  I have never heard of
> anyone using a Thyratron in a Tesla Coil, but it certainly seems feasible.
> 
> A number of years ago, I used a high voltage Ignitron in a research project.
> The device was rated at 50 kV and was capable of handling many kA.  One nice
> thing about the Ignitron was it's virtual indistructability.  It could be
> completly renewed by simply cooling the reservior and heating the anode.  This
> device was manufactured by EEV, a British company, but other manufacturers
> included Westinghouse, and GE.  Does anyone use Ignitrons today?

I believe that the resistance welders still use ignitrons to handle their 
very high current requirements.

Skip Greiner