[Bulk] Re: HP CRT mould update

[Vintage Computer Festival]

On Tue, 19 Apr 2005, Joe R. wrote:

> At 06:14 PM 4/18/05 -0700, you wrote:
> >On Mon, 18 Apr 2005, Jules Richardson wrote:
> >
> >> On Mon, 2005-04-18 at 15:40 -0700, Vintage Computer Festival wrote:
> >> > The HP300 at the Computer History Museum has the same "mold" effects, as
> >> > does a 2648 I've got in my warehouse.  HP CRTs (especially the elongated
> >> > ones found on the mentioned machines) seem to be more typically
> >> > susceptible to this effect than other CRTs.  I wonder what it is about
> >> > them?
> >>
> >> Yep, I've not seen it on much else. Digico springs to mind, plus a
> >> couple of others that we have whose names escape me right now - but it's
> >> almost exclusively the HP stuff.
> >
> >Another product where you see this effect consistently is with ADM 3A
> >terminals.
>
>   Hmm. I've never seen it on one.  I expect that the source of the device
> and where/how they were stored makes a big difference.

Not necessarily.  I've seen ADM 3A terminals that are perfect (I have a
couple) and I've seen some that are terrible (I have a couple).

At any rate, this problem has always been described by speculation and no
hard data.  It's time we got some real answeres because if this damage can
be halted and prevented in the first place then I'd like to know how and
why it happens.

-- 

Sellam Ismail                                        Vintage Computer Festival
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International Man of Intrigue and Danger                http://www.vintage.org

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