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Re: Amperex #6977 subminiature indcator tube (1958)

From "Charles Richmond" <numerist@aquaporin4.com>
Newsgroups alt.folklore.computers
Subject Re: Amperex #6977 subminiature indcator tube (1958)
Date 2015-12-17 14:12 -0600
Organization A noiseless patient Spider
Message-ID <n4v4qa$ne1$1@dont-email.me> (permalink)
References (1 earlier) <c97ca397-ff28-45d0-88d8-6a5b54873c5c@googlegroups.com> <alpine.LNX.2.02.1512151909570.6255@darkstar.example.org> <isw-4AB459.23071915122015@news-roam.garlic.com> <UqKdnQrqTtADVOzLnZ2dnUU7-YXOydjZ@giganews.com> <alpine.LNX.2.02.1512171454100.9567@darkstar.example.org>

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"Michael Black" <et472@ncf.ca> wrote in message 
news:alpine.LNX.2.02.1512171454100.9567@darkstar.example.org...
> On Wed, 16 Dec 2015, Jon Elson wrote:
>
>> isw wrote:
>>
>>> In article <alpine.LNX.2.02.1512151909570.6255@darkstar.example.org>,
>>>  Michael Black <et472@ncf.ca> wrote:
>>>
>>>
>>>> Somewhere, I remember seeing some piece of stereo equipment that had
>>>> rectangular magic eye tubes, but I can't remember what, or even what 
>>>> they
>>>> were indicating.
>>>
>>> They were intended for tuning FM signals properly.
>>>
>> They were also used, WAY BACK, when TVs had continuously variable tuning.
>> That would be 1955 DuMont and similar vintage.
>>
> That was "way back".
>
> I remember having to fuss with UHF tuners 35 years ago, and that was bad 
> enough (though they had a reduction drive that kicked in if you backed up 
> in the direction you'd just come).  ON the other hand, continuous tuning 
> did away with the flaky contacts on the stepped tuners.  By the time the 
> family tv set was scrapped, you'd have to fuss a lot every time you 
> changed channels, to make sure the contacts were making contact.
>

If you think of the detent "click" tuners as selecting the "band", and the 
"fine tuning" knob as the actual tuning, then every TV had a form of 
continuous tuning.

-- 

numerist at aquaporin4 dot com

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Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-14 08:28 -0800
  REPOST Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-14 08:33 -0800
  Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-14 11:54 -0500
    Re: Amperex #6977 subminiature indcator tube (1958) Quadibloc <jsavard@ecn.ab.ca> - 2015-12-14 17:07 -0800
      Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-14 23:25 -0500
        Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-15 18:38 -0800
    Re: Amperex #6977 subminiature indcator tube (1958) Quadibloc <jsavard@ecn.ab.ca> - 2015-12-14 17:11 -0800
      Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-14 20:07 -0800
        Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-14 23:29 -0500
          Re: Amperex #6977 subminiature indcator tube (1958) Dave Garland <dave.garland@wizinfo.com> - 2015-12-15 00:15 -0600
  Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-14 11:08 -0600
    Re: Amperex #6977 subminiature indcator tube (1958) scott@slp53.sl.home (Scott Lurndal) - 2015-12-14 17:57 +0000
  Re: Amperex #6977 subminiature indcator tube (1958) jhhaynes@earthlink.net - 2015-12-15 15:54 -0800
    Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-15 19:12 -0500
      Re: Amperex #6977 subminiature indcator tube (1958) Dave Garland <dave.garland@wizinfo.com> - 2015-12-15 19:41 -0600
      Re: Amperex #6977 subminiature indcator tube (1958) isw <isw@witzend.com> - 2015-12-15 23:07 -0800
        Re: Amperex #6977 subminiature indcator tube (1958) Jon Elson <jmelson@wustl.edu> - 2015-12-16 14:32 -0600
          Re: Amperex #6977 subminiature indcator tube (1958) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-12-16 22:59 +0000
            Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-17 07:30 -0800
              Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-17 15:07 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-17 13:06 -0800
          Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-17 14:56 -0500
            Re: Amperex #6977 subminiature indcator tube (1958) "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-17 14:12 -0600
              Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-18 19:43 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Quadibloc <jsavard@ecn.ab.ca> - 2015-12-20 01:43 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-20 10:16 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-20 10:58 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-21 14:13 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-21 13:17 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-21 19:24 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Gene Wirchenko <genew@telus.net> - 2015-12-21 18:03 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Jon Elson <jmelson@wustl.edu> - 2015-12-22 17:29 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Morten Reistad <first@last.name.invalid> - 2015-12-22 14:03 +0100
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-22 12:39 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) JimP <solosam90@gmail.com> - 2015-12-22 14:37 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-22 19:45 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Ahem A Rivet's Shot <steveo@eircom.net> - 2015-12-23 10:53 +0000
                Re: Amperex #6977 subminiature indcator tube (1958) Morten Reistad <first@last.name.invalid> - 2015-12-23 23:42 +0100
                Re: Amperex #6977 subminiature indcator tube (1958) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-12-21 21:48 +0000
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-22 07:41 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-22 11:22 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Jon Elson <jmelson@wustl.edu> - 2015-12-21 17:29 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-21 13:58 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-21 13:07 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-21 15:40 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-21 17:09 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-21 17:29 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Quadibloc <jsavard@ecn.ab.ca> - 2015-12-21 17:03 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-21 19:28 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-22 15:46 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-22 19:13 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Morten Reistad <first@last.name.invalid> - 2015-12-23 23:25 +0100
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-21 17:04 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-21 13:56 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-21 13:10 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-12-21 21:48 +0000
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-22 07:42 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-12-22 16:03 +0000
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-22 11:25 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-21 16:48 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-21 17:37 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-21 18:25 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-22 07:46 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-22 11:24 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Peter Flass <peter_flass@yahoo.com> - 2015-12-22 11:28 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-22 15:20 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-22 19:51 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-12-23 17:18 +0000
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-22 19:33 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-22 09:47 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-22 15:17 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-22 13:31 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Peter Flass <peter_flass@yahoo.com> - 2015-12-22 16:48 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Jon Elson <jmelson@wustl.edu> - 2015-12-22 17:43 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Dave Garland <dave.garland@wizinfo.com> - 2015-12-22 19:35 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) tracymnelson@gmail.com - 2015-12-23 11:55 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) Michael Black <et472@ncf.ca> - 2015-12-22 19:50 -0500
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-22 18:56 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Quadibloc <jsavard@ecn.ab.ca> - 2015-12-23 02:38 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) "Osmium" <r124c4u102@comcast.net> - 2015-12-23 13:55 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-23 14:12 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-22 12:28 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-22 11:06 -0800
                Re: Amperex #6977 subminiature indcator tube (1958) "Charles Richmond" <numerist@aquaporin4.com> - 2015-12-22 15:58 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) Lawrence Statton <lawrence@senguio.mx> - 2015-12-22 12:24 -0600
                Re: Amperex #6977 subminiature indcator tube (1958) hancock4@bbs.cpcn.com - 2015-12-22 11:09 -0800
  Re: Amperex #6977 subminiature indcator tube (1958) terry+googleblog@tmk.com - 2015-12-16 21:33 -0800

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