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Groups > alt.folklore.computers > #159537
| From | Bob Eager <news0006@eager.cx> |
|---|---|
| Newsgroups | alt.folklore.computers |
| Subject | Re: Delay Line Memory |
| Date | 2016-02-17 01:30 +0000 |
| Message-ID | <dii0psFdmfqU6@mid.individual.net> (permalink) |
| References | <na03mr$ttc$1@dont-email.me> |
On Tue, 16 Feb 2016 15:21:14 -0600, Charles Richmond wrote: > Yesterday I saw a video on YouTube about a delay line memory device. It > did *not* use mercury or any liquid to hold and circulate the memory > contents. Instead it had a *wire*!!! The wire was physically twisted at > one end ot input the bit. The other end "decoded" the bit and also > re-circulated the bit. > > https://www.youtube.com/watch?v=N9cUbYII5RY > > > I'd *never* heard of anything like this! Is anyone here familiar with > this type of delay line memory??? What machines used this??? Dunno, but the EDSAC rebuild in the UK is using nickel delay lines instead of the original mercury. This is on grounds of cost, as well as health and safety. http://www.tnmoc.org/special-projects/edsac/recreating-edsac -- Using UNIX since v6 (1975)... Use the BIG mirror service in the UK: http://www.mirrorservice.org
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Delay Line Memory "Charles Richmond" <numerist@aquaporin4.com> - 2016-02-16 15:21 -0600
Re: Delay Line Memory Dave Garland <dave.garland@wizinfo.com> - 2016-02-16 15:41 -0600
Re: Delay Line Memory David Wade <dave.g4ugm@gmail.com> - 2016-02-16 22:18 +0000
Re: Delay Line Memory Dan Espen <despen@verizon.net> - 2016-02-16 17:36 -0500
Re: Delay Line Memory Lawrence Statton <lawrence@senguio.mx> - 2016-02-16 16:57 -0600
Re: Delay Line Memory bert <bert.hutchings@btinternet.com> - 2016-02-16 15:08 -0800
Re: Delay Line Memory Bob Eager <news0006@eager.cx> - 2016-02-17 01:31 +0000
Re: Delay Line Memory Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-02-17 03:42 +0000
Re: Delay Line Memory Morten Reistad <first@last.name.invalid> - 2016-02-17 00:25 +0100
Re: Delay Line Memory Elliott Roper <nospam@yrl.co.uk> - 2016-02-17 14:03 +0000
Re: Delay Line Memory Anonymous <no_email@invalid.invalid> - 2016-02-17 00:14 +0000
Re: Delay Line Memory Quadibloc <jsavard@ecn.ab.ca> - 2016-02-17 11:46 -0800
Re: Delay Line Memory jhhaynes@earthlink.net - 2016-02-17 18:18 -0800
Re: Delay Line Memory David Wade <dave.g4ugm@gmail.com> - 2016-02-18 09:44 +0000
Re: Delay Line Memory hancock4@bbs.cpcn.com - 2016-02-16 16:43 -0800
Re: Delay Line Memory Anonymous <no_email@invalid.invalid> - 2016-02-17 01:24 +0000
Re: Delay Line Memory Peter Flass <peter_flass@yahoo.com> - 2016-02-16 18:52 -0700
Re: Delay Line Memory Michael Black <et472@ncf.ca> - 2016-02-16 22:19 -0500
Re: Delay Line Memory JimP <solosam90@gmail.com> - 2016-02-17 11:34 -0600
Re: Delay Line Memory Dave Garland <dave.garland@wizinfo.com> - 2016-02-16 20:06 -0600
Re: Delay Line Memory Lawrence Statton <lawrence@senguio.mx> - 2016-02-16 20:23 -0600
Re: Delay Line Memory "hgww" <hgww@gmail.com> - 2016-02-17 14:35 +1100
Re: Delay Line Memory Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-02-17 04:17 +0000
Re: Delay Line Memory "Charles Richmond" <numerist@aquaporin4.com> - 2016-02-18 17:14 -0600
Re: Delay Line Memory Lawrence Statton <lawrence@senguio.mx> - 2016-02-18 19:27 -0600
Re: Delay Line Memory Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-02-19 04:14 +0000
Re: Delay Line Memory Michael Black <et472@ncf.ca> - 2016-02-19 19:07 -0500
Re: Delay Line Memory Bob Eager <news0006@eager.cx> - 2016-02-17 01:30 +0000
Re: Delay Line Memory "Joe Morris" <j.c.morris@verizon.net> - 2016-02-17 19:11 -0500
Re: Delay Line Memory Michael Black <et472@ncf.ca> - 2016-02-17 23:13 -0500
Re: Delay Line Memory Jon Elson <elson@pico-systems.com> - 2016-02-17 22:25 -0600
Re: Delay Line Memory isw <isw@witzend.com> - 2016-02-17 23:16 -0800
Re: Delay Line Memory Jon Elson <elson@pico-systems.com> - 2016-02-18 12:01 -0600
Re: Delay Line Memory Jon Elson <elson@pico-systems.com> - 2016-02-18 12:10 -0600
Re: Delay Line Memory Lawrence Statton <lawrence@senguio.mx> - 2016-02-18 13:46 -0600
Re: Delay Line Memory Michael Black <et472@ncf.ca> - 2016-02-19 19:13 -0500
Re: Delay Line Memory Quadibloc <jsavard@ecn.ab.ca> - 2016-02-18 04:49 -0800
Re: Delay Line Memory Michael Black <et472@ncf.ca> - 2016-02-19 19:21 -0500
Re: Delay Line Memory Quadibloc <jsavard@ecn.ab.ca> - 2016-02-18 04:51 -0800
Re: Delay Line Memory Michael Black <et472@ncf.ca> - 2016-02-19 19:16 -0500
Re: Delay Line Memory Peter Flass <peter_flass@yahoo.com> - 2016-02-16 18:52 -0700
Re: Delay Line Memory "Charles Richmond" <numerist@aquaporin4.com> - 2016-02-19 20:50 -0600
Re: Delay Line Memory Ahem A Rivet's Shot <steveo@eircom.net> - 2016-02-20 06:31 +0000
Re: Delay Line Memory G. <gerry77@no.spam.mail.com> - 2016-02-17 04:08 +0100
Re: Delay Line Memory Stan Barr <plan.b@bluesomatic.org> - 2016-02-17 08:19 +0000
Re: Delay Line Memory Jon Elson <jmelson@wustl.edu> - 2016-02-17 14:57 -0600
Re: Delay Line Memory "Charles Richmond" <numerist@aquaporin4.com> - 2016-02-19 20:43 -0600
Re: Delay Line Memory isw <isw@witzend.com> - 2016-02-19 22:13 -0800
Re: Delay Line Memory Stan Barr <plan.b@bluesomatic.org> - 2016-02-20 08:17 +0000
Re: Delay Line Memory Lawrence Statton <lawrence@senguio.mx> - 2016-02-20 09:17 -0600
Re: Delay Line Memory Lawrence Statton <lawrence@senguio.mx> - 2016-02-20 09:20 -0600
Re: Delay Line Memory Quadibloc <jsavard@ecn.ab.ca> - 2016-02-20 18:49 -0800
Re: Delay Line Memory isw <isw@witzend.com> - 2016-02-20 21:06 -0800
Re: Delay Line Memory jhhaynes@earthlink.net - 2016-02-17 18:23 -0800
Re: Delay Line Memory isw <isw@witzend.com> - 2016-02-17 23:06 -0800
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