Running CRTs without implosion protection glass

Ian Finder ian.finder at
Fri Jul 1 13:46:29 CDT 2016

That was my thought too- color CRTs are where this really mattered- which
is why I mentioned black and white.

I am not overly concerned, someone in the IRC channel I'm in asked and I
thought I'd ping. Even then, in a color CRT without any lead shielding, I'd
bet the emissions pale in comparison to any kind of real medical X-ray.

On Fri, Jul 1, 2016 at 11:43 AM, Paul Koning <paulkoning at> wrote:

> > On Jul 1, 2016, at 2:41 PM, Ian Finder <ian.finder at> wrote:
> >
> > I know a few list members who have been doing this, after fixing CRT
> > cataracts.
> >
> > Was that glass additionally leaded to cut down on X-rays at all? Is
> there a
> > risk to that?
> >
> > These are mostly black and white CRTs.
> From what I remember, the concerns about X-rays didn't appear until the
> higher acceleration voltages used in color CRTs.  I'm not sure if it's
> significant even there, unless you're worried about lawyers rather than
> reality.
>         paul

   Ian Finder
   (206) 395-MIPS
   ian.finder at

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