Re: uv shielding of sparkgap

• To: tesla-at-pupman-dot-com
• Subject: Re: uv shielding of sparkgap
• From: Terry Fritz <twftesla-at-uswest-dot-net>
• Date: Mon, 13 Mar 2000 12:00:21 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme
• In-Reply-To: <00007CFF.C22103-at-learningco-dot-com>

Hi Paul,

	Any welding supply store will have those green glass plates used in
welding masks for a very fair price (like $2).  They come in many different
shades and are totally UV blocking for your purpose.  They are used with
electric arc welders so they work!

Cheers,

	Terry 


At 10:20 AM 03/13/2000 -0800, you wrote:
>     Folks,
>     
>     I've been wondering about shielding the UV output of my sparkgap.  I'd 
>     like to be able to see the light of the gap, but not worry about the 
>     UV.  
>     
>     I asked at TAP Plastics, and they said they had clear, UV coated 
>     acrylic for $6/ft.  Has anyone tried using this sort of thing on a 
>     sparkgap?  It's probably intended for the sun's rays, do you think it 
>     would protect from the sort of UV power a sparkgap puts out?
>     
>     thanks,
>     
>     paul
>

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