On Mar 15, 2017, at 3:11 AM, Pontus Pihlgren via cctalk wrote:
> On Tue, Mar 14, 2017 at 05:41:57PM -0400, Noel Chiappa via cctalk wrote:
>>> From: Dwight Kelvey
>>
>>> I need on of those.
>>
>> I think it belongs in a museum, actually. Provided they can make it work, of
>> course! :-) I wonder
e.
Dwight
From: cctalk on behalf of Christian Corti via
cctalk
Sent: Thursday, March 16, 2017 2:22:27 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Univac I memory tank
On Wed, 15 Mar 2017, dwight wrote:
> The Olivetti used a piece of wire for the delay line. I fo
On Wed, 15 Mar 2017, dwight wrote:
The Olivetti used a piece of wire for the delay line. I forget what the
Dielh Combitron used but I know it used a two delay lines. One was for
registers and the other was for lookup tables that loaded at turn on
time from a metal tape ( as I recall ).
I can
__
> From: cctalk on behalf of Pontus Pihlgren
> via cctalk
> Sent: Wednesday, March 15, 2017 1:11:10 AM
> To: Noel Chiappa; General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: Univac I memory tank
>
> On Tue, Mar 14, 2017 at 05:41:57PM -0400, Noel Chiappa vi
Dwight wrote:
> The Olivetti used a piece of wire for the delay line.
The Programma 101 indeed used a delay line. Such delay lines use
magnetostrictive means to push a torque pulse into one end of the wire,
as well as detect a torque twist at the other end of the wire.
Magnetostrictive materia
t: Re: Univac I memory tank
On Tue, Mar 14, 2017 at 05:41:57PM -0400, Noel Chiappa via cctalk wrote:
> > From: Dwight Kelvey
>
> > I need on of those.
>
> I think it belongs in a museum, actually. Provided they can make it work, of
> course! :-) I wonder how many working
On Tue, Mar 14, 2017 at 05:41:57PM -0400, Noel Chiappa via cctalk wrote:
> > From: Dwight Kelvey
>
> > I need on of those.
>
> I think it belongs in a museum, actually. Provided they can make it work, of
> course! :-) I wonder how many working delay line main memories are left in
> the wo
The mercury also gets dirty from its own oxidization
On Mar 14, 2017 5:00 PM, "Ben Sinclair via cctalk"
wrote:
> On Tue, Mar 14, 2017 at 4:41 PM, Noel Chiappa via cctalk <
> cctalk@classiccmp.org> wrote:
>
> > I think it belongs in a museum, actually. Provided they can make it work,
> > of
> > c
On Tue, Mar 14, 2017 at 4:41 PM, Noel Chiappa via cctalk <
cctalk@classiccmp.org> wrote:
> I think it belongs in a museum, actually. Provided they can make it work,
> of
> course! :-) I wonder how many working delay line main memories are left in
> the world?
>
If that's from a Univac I, I'd love
> On Mar 14, 2017, at 5:45 PM, dwight via cctalk wrote:
>
> It is not likely to be made to work, easily. From what I was
> told, the mercury ones needed to be rebuilt after some time.
> Most likely because the mercury dissolved one of the metals
> used in side.
>
> I can't imagine what that mig
On 2017-Mar-14, at 2:41 PM, Noel Chiappa via cctalk wrote:
>> From: Dwight Kelvey
>> I need on of those.
>
> I think it belongs in a museum, actually. Provided they can make it work, of
> course! :-) I wonder how many working delay line main memories are left in
> the world?
Depends on how partic
what I hear someplace.
Dwight
From: cctalk on behalf of Noel Chiappa via
cctalk
Sent: Tuesday, March 14, 2017 2:41:57 PM
To: cctalk@classiccmp.org
Cc: j...@mercury.lcs.mit.edu
Subject: Re: Univac I memory tank
> From: Dwight Kelvey
> I need
> From: Dwight Kelvey
> I need on of those.
I think it belongs in a museum, actually. Provided they can make it work, of
course! :-) I wonder how many working delay line main memories are left in
the world?
Noel
PS: Sorry about the previous mostly-duplicate message; I hit the 'i
On Tue, Mar 14, 2017 at 11:21 AM, Adrian Stoness via cctalk <
cctalk@classiccmp.org> wrote:
> its been pulled
>
> It's still there when I click on the link, five days to go. Boy howdy,
this would be a headache to get shipped! Even if the mercury is gone,
there are almost certain to be residuals.
t; > Cool. I need on of those.
> >
> > Dwight
> >
> >
> >
> > From: cctalk on behalf of Al Kossow via
> cctalk
> > Sent: Tuesday, March 14, 2017 10:20:00 AM
> > To: General Discussion: On-Topic and Off-Topic Po
alk
> Sent: Tuesday, March 14, 2017 10:20:00 AM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Univac I memory tank
>
> http://www.ebay.com/itm/162428766985
>
> Asked if the mercury was still in it. They ignored me.
>
Cool. I need on of those.
Dwight
From: cctalk on behalf of Al Kossow via cctalk
Sent: Tuesday, March 14, 2017 10:20:00 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Univac I memory tank
http://www.ebay.com/itm/162428766985
Asked if the
http://www.ebay.com/itm/162428766985
Asked if the mercury was still in it. They ignored me.
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