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can a smaller screen be made with 14400v power source ? No Xray trans here any plans for this ? ________________________________ From: Tesla <tesla-bounces@xxxxxxxxxx> on behalf of Gomez <gomez@xxxxxxxxxxxx> Sent: Monday, October 31, 2016 9:01 AM To: Tesla list Subject: Re: [TCML] Strickfaden's "Lightning Screen" I have seen 1/4" - 5/16" or so round patio table replacement glass tabletops available at places that sell patio furniture for reasonable ( <$100 ) sums, and my first thought was "who wants to build a really dangerous Wimshurst?!" ;D I think they'd also make an excellent Eye of Thor or whatever this prop has been called generically. (I personally don't want to steal Ken S.'s thunder, heh) - B(G)L > On Oct 30, 2016, at 10:09 PM, Frank <fxrays@xxxxxxxxxx> wrote: > > Hi Dave, > Email me, I have plans. It uses an x ray transformer. > You need a disc of tempered glass. > Frank > > At 11:10 PM 30/10/16 -0400, you wrote: >> Esteemed Group, >> >> With Halloween nigh upon us, I was thinking of more interesting things to possibly build for next year. >> >> Does anyone know anything about the circuitry for Ken Strickfaden's Lightning screen? I know there is a central disc electrode that arcs to a peripheral ring. I suspect the disc surface is smooth glass. >> Phosphorescent paint (inaccurately called "radioactive" paint in the 1943 Popular Mechanics article) applied behind the glass results in afterimages of the discharges. >> >> I'm trying to figure out if the unit is driven with AC or DC, or AC with a capacitor across the output. I'm guessing AC, but don't know if there was any capacitance across the supply. >> >> Has anyone built one? Anyone ever have the chance to examine the original article? >> >> Thanks, >> Dave >> >> >> _______________________________________________ >> Tesla mailing list >> Tesla@xxxxxxxxxx >> http://www.pupman.com/mailman/listinfo/tesla Tesla Info Page - Tesla Coil Mailing List<http://www.pupman.com/mailman/listinfo/tesla> www.pupman.com This is the pupman.com tesla coil mailing list. It is now running new list management software, so any differences are likely due to it. To see the collection of ... > _______________________________________________ > Tesla mailing list > Tesla@xxxxxxxxxx > http://www.pupman.com/mailman/listinfo/tesla Tesla Info Page - Tesla Coil Mailing List<http://www.pupman.com/mailman/listinfo/tesla> www.pupman.com This is the pupman.com tesla coil mailing list. It is now running new list management software, so any differences are likely due to it. To see the collection of ... _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla Tesla Info Page - Tesla Coil Mailing List<http://www.pupman.com/mailman/listinfo/tesla> www.pupman.com This is the pupman.com tesla coil mailing list. It is now running new list management software, so any differences are likely due to it. To see the collection of ... _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla