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	<title>Comments on: Dot-Matrix Teletype Simulator Update and Request for Teletype Info</title>
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	<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info</link>
	<description>Viewpoints on technology, society, and government</description>
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		<title>By: taupist</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2438</link>
		<dc:creator>taupist</dc:creator>
		<pubDate>Sat, 30 Aug 2008 19:34:48 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2438</guid>
		<description>A quick Google search leads me to this page, which contains a link to a very poor image that appears to be the same model that I had.
http://www.publiceye.org/aboutpra/pe_bbshist.html
You can see the image here:
http://www.publiceye.org/gallery/Amnet/Terminal.jpg

Happy hunting!</description>
		<content:encoded><![CDATA[<p>A quick Google search leads me to this page, which contains a link to a very poor image that appears to be the same model that I had.<br />
<a href="http://www.publiceye.org/aboutpra/pe_bbshist.html" rel="nofollow">http://www.publiceye.org/aboutpra/pe_bbshist.html</a><br />
You can see the image here:<br />
<a href="http://www.publiceye.org/gallery/Amnet/Terminal.jpg" rel="nofollow">http://www.publiceye.org/gallery/Amnet/Terminal.jpg</a></p>
<p>Happy hunting!</p>
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		<title>By: taupist</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2437</link>
		<dc:creator>taupist</dc:creator>
		<pubDate>Sat, 30 Aug 2008 19:07:48 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2437</guid>
		<description>About 12 years ago I dug a portable teletype out of a dumpster. It was actually smaller than most portable typewriters. Basically just a typewriter with a thermal printer instead of all of the mechanics. I don&#039;t have it anymore, although . . . &quot;the truth is out there&quot;</description>
		<content:encoded><![CDATA[<p>About 12 years ago I dug a portable teletype out of a dumpster. It was actually smaller than most portable typewriters. Basically just a typewriter with a thermal printer instead of all of the mechanics. I don&#8217;t have it anymore, although . . . &#8220;the truth is out there&#8221;</p>
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		<title>By: Arnt Richard Johansen</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2436</link>
		<dc:creator>Arnt Richard Johansen</dc:creator>
		<pubDate>Tue, 26 Aug 2008 21:46:24 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2436</guid>
		<description>On a Decwriter IV, the print head usually obscures the last couple of characters before the text. There is a special key that moves the print head temporarily to the right while you hold it down.</description>
		<content:encoded><![CDATA[<p>On a Decwriter IV, the print head usually obscures the last couple of characters before the text. There is a special key that moves the print head temporarily to the right while you hold it down.</p>
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		<title>By: cliff </title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2434</link>
		<dc:creator>cliff </dc:creator>
		<pubDate>Tue, 26 Aug 2008 13:31:11 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2434</guid>
		<description>John, the comment I left on the previous post belongs up here. Sorry.</description>
		<content:encoded><![CDATA[<p>John, the comment I left on the previous post belongs up here. Sorry.</p>
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		<title>By: vaporland</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2431</link>
		<dc:creator>vaporland</dc:creator>
		<pubDate>Mon, 25 Aug 2008 14:46:21 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2431</guid>
		<description>On a teletype the typebar moves out of the way immediately after each character is printer. You can see what you are typing as you type it, just like a typewriter.</description>
		<content:encoded><![CDATA[<p>On a teletype the typebar moves out of the way immediately after each character is printer. You can see what you are typing as you type it, just like a typewriter.</p>
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		<title>By: Bob Proulx</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2429</link>
		<dc:creator>Bob Proulx</dc:creator>
		<pubDate>Mon, 25 Aug 2008 02:48:17 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2429</guid>
		<description>In classic ribbon type printers the print head would jump up, print, return down, such that if typing slowly you could see every character once the striker cleared.  There was a small delay in the return such that if more characters were available to print then the head would remain over the text and strike the next character.  This would repeat until the buffer was exhausted.  The IBM selectric typewriter operates this way and the up and down motion seems normal.

In a dot-matrix printer model that I used the print head always remained on the line and instead of jumping up to print it would jump to the right to clear.  It would move just enough to clear the last character printed so that you could see it.  Again, if there was a continuous flow of characters it would print continuously left to right without jogging the head out of the way.  I forget the exact model now.

But when using this latter model and typing in characters if you typed slowly it would move the dot-matrix print head left, print, right to clear, left print, right to clear, in a most annoying way.  This left-right back and forth motion would shake the entire table, especially if it had shaky wooden legs.  These later models were smaller and simply sat on any table surface.  The left-right motion would work the wooden tables used at my university loose over time and make them very shaky.  And it was very annoying.  I learned that I must type in the next character very quickly, before the head moved to the right to clear the last character, to avoid that back and forth table shaking motion.  But any mistakes were permanently marked on the paper.  This taught me to type fast and furious but at the same time very carefully.  Such a lesson about life from a dot-matrix paper printing terminal.</description>
		<content:encoded><![CDATA[<p>In classic ribbon type printers the print head would jump up, print, return down, such that if typing slowly you could see every character once the striker cleared.  There was a small delay in the return such that if more characters were available to print then the head would remain over the text and strike the next character.  This would repeat until the buffer was exhausted.  The IBM selectric typewriter operates this way and the up and down motion seems normal.</p>
<p>In a dot-matrix printer model that I used the print head always remained on the line and instead of jumping up to print it would jump to the right to clear.  It would move just enough to clear the last character printed so that you could see it.  Again, if there was a continuous flow of characters it would print continuously left to right without jogging the head out of the way.  I forget the exact model now.</p>
<p>But when using this latter model and typing in characters if you typed slowly it would move the dot-matrix print head left, print, right to clear, left print, right to clear, in a most annoying way.  This left-right back and forth motion would shake the entire table, especially if it had shaky wooden legs.  These later models were smaller and simply sat on any table surface.  The left-right motion would work the wooden tables used at my university loose over time and make them very shaky.  And it was very annoying.  I learned that I must type in the next character very quickly, before the head moved to the right to clear the last character, to avoid that back and forth table shaking motion.  But any mistakes were permanently marked on the paper.  This taught me to type fast and furious but at the same time very carefully.  Such a lesson about life from a dot-matrix paper printing terminal.</p>
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		<title>By: Gerhard Horecky</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2428</link>
		<dc:creator>Gerhard Horecky</dc:creator>
		<pubDate>Sun, 24 Aug 2008 19:49:10 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2428</guid>
		<description>Perhaps you will find it interesting to look at this page: http://www.pdp8.net/asr33/asr33.shtml
A Video of operating a PDP-8 with the teletype is under: http://www.pdp8.net/asr33/videos/teletype_print.avi</description>
		<content:encoded><![CDATA[<p>Perhaps you will find it interesting to look at this page: <a href="http://www.pdp8.net/asr33/asr33.shtml" rel="nofollow">http://www.pdp8.net/asr33/asr33.shtml</a><br />
A Video of operating a PDP-8 with the teletype is under: <a href="http://www.pdp8.net/asr33/videos/teletype_print.avi" rel="nofollow">http://www.pdp8.net/asr33/videos/teletype_print.avi</a></p>
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		<title>By: John Hughes</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2427</link>
		<dc:creator>John Hughes</dc:creator>
		<pubDate>Sun, 24 Aug 2008 18:50:24 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2427</guid>
		<description>On a real ASR-33 teletype the typehed jumps up to type (like an IBM &quot;golfball&quot; selectric typewriter).  When it&#039;s not typing you can see all the text.

I&#039;ve also seen wierd TI thermal printers where the print head moved to the (left?  right? margin when not typing),

Fun trick with ASR-33 - when the carriage returns it flies to the left at high speed, a sort of piston enters a cylinder with a small hole in it to bring the carriage to a smooth halt.  By moving a flap you configure how hard the carriage stops - leave the hole too open then it goes CRASH! and the machine might break.  Close the hole completely and the carriage bounces back out to the right and back again a few times,  Oh what a laugh we used to have.</description>
		<content:encoded><![CDATA[<p>On a real ASR-33 teletype the typehed jumps up to type (like an IBM &#8220;golfball&#8221; selectric typewriter).  When it&#8217;s not typing you can see all the text.</p>
<p>I&#8217;ve also seen wierd TI thermal printers where the print head moved to the (left?  right? margin when not typing),</p>
<p>Fun trick with ASR-33 &#8211; when the carriage returns it flies to the left at high speed, a sort of piston enters a cylinder with a small hole in it to bring the carriage to a smooth halt.  By moving a flap you configure how hard the carriage stops &#8211; leave the hole too open then it goes CRASH! and the machine might break.  Close the hole completely and the carriage bounces back out to the right and back again a few times,  Oh what a laugh we used to have.</p>
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		<title>By: Ralph Aichinger</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2426</link>
		<dc:creator>Ralph Aichinger</dc:creator>
		<pubDate>Sun, 24 Aug 2008 12:43:00 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2426</guid>
		<description>I have never used a Teletype myself, have seen various models still standing in computer rooms, unused (or used as slow printers).

I cannot believe that it should be hard to get a real teletype. I saw one in an electronics surpulus store as recently as five years ago. 

I think your best bet is to ask Radio Amateurs. In Ham Radio there are various uses for teletypes, and people tend to lovingly conserve this stuff. Maybe if you get in contact with a RTTY (Radio Teleletype) group or association, they can help you get a unused one. Estate sales of old HAM radio equipment (of &quot;silent keys&quot;) are relatively common.</description>
		<content:encoded><![CDATA[<p>I have never used a Teletype myself, have seen various models still standing in computer rooms, unused (or used as slow printers).</p>
<p>I cannot believe that it should be hard to get a real teletype. I saw one in an electronics surpulus store as recently as five years ago. </p>
<p>I think your best bet is to ask Radio Amateurs. In Ham Radio there are various uses for teletypes, and people tend to lovingly conserve this stuff. Maybe if you get in contact with a RTTY (Radio Teleletype) group or association, they can help you get a unused one. Estate sales of old HAM radio equipment (of &#8220;silent keys&#8221;) are relatively common.</p>
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		<title>By: Jeremy Shaw</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2425</link>
		<dc:creator>Jeremy Shaw</dc:creator>
		<pubDate>Sun, 24 Aug 2008 05:07:25 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2425</guid>
		<description>At around 1:07 you can see a close up of the teletype in action. It appears the print head moves out of the way: 

[url]http://www.youtube.com/watch?v=akvSE5Z474c[/url]

Also, there is currently a decwriter for sale on eBay, but you have to be able to pick it up in person.

[url]http://cgi.ebay.com/Decwriter-III-LA120-printing-terminal_W0QQitemZ370019604975QQcmdZViewItem?_trksid=p3286.m20.l1116[/url]</description>
		<content:encoded><![CDATA[<p>At around 1:07 you can see a close up of the teletype in action. It appears the print head moves out of the way: </p>
<p>[url]http://www.youtube.com/watch?v=akvSE5Z474c[/url]</p>
<p>Also, there is currently a decwriter for sale on eBay, but you have to be able to pick it up in person.</p>
<p>[url]http://cgi.ebay.com/Decwriter-III-LA120-printing-terminal_W0QQitemZ370019604975QQcmdZViewItem?_trksid=p3286.m20.l1116[/url]</p>
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		<title>By: John Goerzen</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2424</link>
		<dc:creator>John Goerzen</dc:creator>
		<pubDate>Sun, 24 Aug 2008 03:19:33 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2424</guid>
		<description>Thanks, geekosaur.  That is perfect kind of information to have.  I think I can emulate that.  It will take a bit of fiddling with the right margin, but I think it is doable.  Especially since the printer I am using is a 14&quot; job.

Bejamin, thanks for that suggestion too.  I poked around on eBay, but it seems that most of those used a 2.25&quot; wide thermal tape.  Won&#039;t cut it for 80-column adventure sessions, unfortunately.</description>
		<content:encoded><![CDATA[<p>Thanks, geekosaur.  That is perfect kind of information to have.  I think I can emulate that.  It will take a bit of fiddling with the right margin, but I think it is doable.  Especially since the printer I am using is a 14&#8243; job.</p>
<p>Bejamin, thanks for that suggestion too.  I poked around on eBay, but it seems that most of those used a 2.25&#8243; wide thermal tape.  Won&#8217;t cut it for 80-column adventure sessions, unfortunately.</p>
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		<title>By: John Goerzen</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2423</link>
		<dc:creator>John Goerzen</dc:creator>
		<pubDate>Sun, 24 Aug 2008 03:18:01 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2423</guid>
		<description>Do you have any names/model numbers on this?   IBM had, well, unique names for stuff and I find it hard to google for their equipment.  I know they made true teletype-style devices too, as consoles for their machines, but can&#039;t track down the right terms to google for.</description>
		<content:encoded><![CDATA[<p>Do you have any names/model numbers on this?   IBM had, well, unique names for stuff and I find it hard to google for their equipment.  I know they made true teletype-style devices too, as consoles for their machines, but can&#8217;t track down the right terms to google for.</p>
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		<title>By: Benjamin Seidenberg</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2421</link>
		<dc:creator>Benjamin Seidenberg</dc:creator>
		<pubDate>Sun, 24 Aug 2008 01:52:38 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2421</guid>
		<description>May I also suggest trying to use one of those old TTYs that hearing impaired people use with the telephone... you put a headset on top of it and it does some audio-coupling to let you type and receive text...</description>
		<content:encoded><![CDATA[<p>May I also suggest trying to use one of those old TTYs that hearing impaired people use with the telephone&#8230; you put a headset on top of it and it does some audio-coupling to let you type and receive text&#8230;</p>
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		<title>By: geekosaur</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2420</link>
		<dc:creator>geekosaur</dc:creator>
		<pubDate>Sun, 24 Aug 2008 01:41:05 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2420</guid>
		<description>The printhead on the KSR33 that used to be [code]ncoast.uucp[/code]&#039;s console back in the day would move to the right out of the way after a second or two idle, then move back for the next character.</description>
		<content:encoded><![CDATA[<p>The printhead on the KSR33 that used to be [code]ncoast.uucp[/code]&#8216;s console back in the day would move to the right out of the way after a second or two idle, then move back for the next character.</p>
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		<title>By: Jonas</title>
		<link>http://changelog.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info/comment-page-1#comment-2419</link>
		<dc:creator>Jonas</dc:creator>
		<pubDate>Sun, 24 Aug 2008 01:27:06 +0000</pubDate>
		<guid isPermaLink="false">http://changelog2.complete.org/archives/742-dot-matrix-teletype-simulator-update-and-request-for-teletype-info.html#comment-2419</guid>
		<description>IBM built typewriters that could be used as printers. With some soldering it should be possible to use the keyboard as input, too.</description>
		<content:encoded><![CDATA[<p>IBM built typewriters that could be used as printers. With some soldering it should be possible to use the keyboard as input, too.</p>
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