> Depending on the metal being hit by electrons, it take a minimum level
>
> before Xray emission starts. As I recall, the regulator on a color TV
>
> was intended to keep it below that threshold.
The whole color TV xray scare was mostly just that - a scare. Even the
old "roundie" color sets did n
below that threshold.
Dwight
From: cctalk on behalf of drlegendre .
Sent: Friday, July 1, 2016 6:27:27 PM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Running CRTs without implosion protection glass
" I do remember
reading that th
" I do remember
reading that the EHT rectifier diode valves and shunt stabiliser triodes in
early
colour TVs gave off enough Xrays to be dangerous"
This is true. I have here an old HV octal-base tube rectifier that came out
of a color set. The vacuum envelope itself is encased in a second outer
en
On 2016-07-01 4:08 PM, Fred Cisin wrote:
Not a very good comparison because one is pointed at your head for
months or years and the latter is momentary.
...
How much of the health damage of early color TV was due, not to the
hardware, but to the quality of the content?
(USA networks were/are cl
On 2016-07-01 4:08 PM, Fred Cisin wrote:
Not a very good comparison because one is pointed at your head for
months or years and the latter is momentary.
On Fri, 1 Jul 2016, tony duell wrote:
I am not convinced that the effect is purely cumulative anyway. In other
words,
a lower intensity (and lo
Not a very good comparison because one is pointed at your head for
months or years and the latter is momentary.
On Fri, 1 Jul 2016, tony duell wrote:
I am not convinced that the effect is purely cumulative anyway. In other words,
a lower intensity (and lower energy) beam for longer might not do a
> On Jul 1, 2016, at 3:27 PM, j...@cimmeri.com wrote:
>
>
>
> On 7/1/2016 2:03 PM, Toby Thain wrote:
>> On 2016-07-01 2:46 PM, Ian Finder wrote:
>>> That was my thought too- color CRTs are where this really mattered- which
>>> is why I mentioned black and white.
>>>
>>> I am not overly concern
On 7/1/2016 2:03 PM, Toby Thain wrote:
On 2016-07-01 2:46 PM, Ian Finder wrote:
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,
> > 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.
>
> Not a very good comparison because one is pointed at your he
On 2016-07-01 2:46 PM, Ian Finder wrote:
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 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?
It probably was leaded glass, but mono CRTs only run at about 15kV on the
final anode. I don't think you get much of
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
> On Jul 1, 2016, at 2:41 PM, Ian Finder 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
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