1966 Mag: Build NE-2 Neon Bulb Computer - scan available

[Patrick Finnegan]

On Friday 27 July 2007 00:39, dwight elvey wrote:
> >From: woodelf <bfranchuk at jetnet.ab.ca>
> >
> >William Donzelli wrote:
> >>But then, tubes are in the same boat. They will all go gassy
> >> eventually...
> >
> >Well just suck all the air out of them again. :)
> >
> >>--
> >>Will
> >
> >---snip---
>
> Hi
> I have soem tubes made in the 1920's that still have a
> good vacuum. How much longer should I wait.

Just because a couple of tubes still work doesn't say anything, without 
counting the ones that have failed.  I'm sure some ICs from today will 
still be working 80 years in the future, but it'll likewise be a very 
small percentage.

Pat
-- 
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