[vcf-midatlantic] ID-ing Univac I tubes

glenn.f.roberts at gmail.com glenn.f.roberts at gmail.com
Tue Jul 27 18:39:23 UTC 2021

One of the tubes has a readable marking, 5823 (4th tube in the rightmost cluster)


-----Original Message-----
From: vcf-midatlantic <vcf-midatlantic-bounces at lists.vcfed.org> On Behalf Of Bill Degnan via vcf-midatlantic
Sent: Tuesday, July 27, 2021 2:34 PM
To: vcf-midatlantic <vcf-midatlantic at lists.vcfed.org>
Cc: Bill Degnan <billdegnan at gmail.com>
Subject: Re: [vcf-midatlantic] ID-ing Univac I tubes

I should add that I have narrowed the type(s) of tube(s) down to the 6AL5, 6BE6, 6AN5, 6AU6 or 4D32.


On Tue, Jul 27, 2021 at 2:22 PM Bill Degnan <billdegnan at gmail.com> wrote:

> Hi,
> Does anyone know which tubes from this list:
> https://www.vintagecomputer.net/temp/UnivacI/UNIVAC-1_tube-types%20.pn
> g
> ....Were installed on this module?
> https://www.vintagecomputer.net/temp/UnivacI/UNIVAC-1_A-35%20.png
> They all appear to be the same type of tube.  7 pins and a center post.
> (screenshots from a CHM video)
> Thanks
> Bill

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