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Re: nitrogen laser triggered gap

Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

Yes ED. Those tubes are hard to get. I have modified light bulbs to serve by
addind magnesium and re sealing them. This is no easy task. Magnesiun
generates x-ray at a relitivly low voltage.(36000 v) so children can get
thier life limit of x-ray radiation easly. We had diatherme in the shoe
store so we could watch athltets-foot die with our foot. No problem.
  Robert  H

> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Mon, 13 May 2002 20:41:01 -0600
> To: tesla-at-pupman-dot-com
> Subject: Re: nitrogen laser triggered gap
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Mon, 13 May 2002 20:44:11 -0600
> Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <evp-at-pacbell-dot-net>
> Tesla list wrote:
>> Original poster: "rheidlebaugh by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>
>> Ed: The vacuum tubes used for soft x-ray were 4 pin magnesium getter tubes
>> with the silver color glass top. Aluminum foil was wraped around the
>> cercumfrance of the top and hi voltage was applied to all the pins and the
>> Al foil. X-rays came out the top. It warked well.
>> Robert  H
> How many guys have tubes like that in their junk box?  I happen to,
> left over from many many years ago, but most of that stuff has been
> thrown away by now.  These tubes are known in the antique radio business
> as "domed" envelopes and even duds are fairly expensive.  Stan Hanson
> had some stuff in "the Bell Jar" on use of HV rectifier and regulator
> tubes, and it's probably on his web page.  Never tried it as I have (or
> at least I had then) a nice big ancient soft X-ray tube which worked
> just fine from a 200 watt input TC, and probably put out dangerous
> levels.  Managed to puncture the seal on it and all of the (almost)
> vacuum leaked out!!!
> Ed