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Re: beaded flat plate disc

Original poster: "Bob (R.A.) Jones" <a1accounting@xxxxxxxxxxxxx>

Hi,

The low cost ones I have seen have different color emitting phosphors in
concentric  rings. I am guessing but the gas mixture is probably similar to
that contained in a florescent light but at a higher pressure to get the
thin intense discharge. So its probably argon and mercury. The on voltage is
probably some where a round a few hundred volts with start voltage of about
ten times that.

Robert (R. A.) Jones
A1 Accounting, Inc., Fl
407 649 6400
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Friday, October 14, 2005 6:44 PM
Subject: beaded flat plate disc


> Original poster: BunnyKiller <bunikllr@xxxxxxx>
>
> Hey All...
>
> I bought one of those 14" wide "discs" ( basically 2 plates of glass
> with "beads" in it with a hi volt discharge in the center) to produce
> a "flat" tesla coil streamer effect.
>
> I got it from WalMart for 20$   kinda kewl   center region is
> green/yellow ( Im color blind so I really cant tell what color it is )
> with a red ( I was told its red) mid section and the typical blue
> that argon produces ( that color I can see)  )  on the outer rim (
> obviously tinted glass or something of that nature)...   think of a
> target for archery but wrong colors in sequence......
>
> my question is    what kind of gas is used and what is the typical
> voltage involved in this setup?  I am going to assume argon is the
> main constituant of the gas mix...
>
> just interested in its make-up...
> Scot D
>
>
>
>