> On Jan 7, 2023, at 11:50 AM, Ryan B <ryan.bareit...@gmail.com> wrote:
> 
> I bought two different wavelength UV lights recently. IIRC 395 and 360 nm. I 
> haven't used them much but I will check out all my CRTs now! I got them to 
> look for UV reactive glass at thrift shops and on the beach.


I have a CRT with dual phosphors, a fast blue and a slow yellow. It lights up 
like a Christmas tree when exposed to an 18" BL-B tube. 

You can draw pictures on an old television or computer monitor.


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

“...the book said something astonishing, a very big thought. The stars, it 
said, were suns but very far away. The Sun was a star but close up.”—Carl 
Sagan, "The Backbone Of Night", Cosmos, 1980


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