[GreenKeys] APL typeball for IBM 2741
Tim McNerney
tmcnerney at retica.com
Sat Apr 2 10:35:35 EST 2005
If I may be allowed to ask a general teleprinter question...
Does anyone have suggestions on where to find an APL typeball
for an IBM 2741 (i.e. "Selectric" technology data terminal)?
I bought one years ago, and it got lost in a move.
--Tim McNerney
Newton, MA
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>------------------------------------------------------------------------
>
>Today's Topics:
>
> 1. Re: Teletype 28 (Greg Putrich)
> 2. Re: MODEL 35 LOWER CASE (BOB LAAG)
> 3. Re: Teletype 28 (Richard M. Gillingham)
> 4. Teletype fonts - continued (Eric Scace K3NA)
> 5. Re: Teletype 28 (Greg Putrich)
>
>
>
> ------------------------------------------------------------------------
>
> Subject:
> Re: [GreenKeys] Teletype 28
> From:
> Greg Putrich <gregp at n0qds.org>
> Date:
> Fri, 1 Apr 2005 17:39:18 -0600
> To:
> Russmill47 at aol.com
>
> To:
> Russmill47 at aol.com
> CC:
> greenkeys at mailman.qth.net
>
>
>Russmill47 at aol.com said:
>
>
>>If your Model 28 makes an O an M, then you are gaining a 3rd pulse.
>>O is pulses 4 and 5.
>>M is pulses 3 and 4 and 5.
>>You might also have the letter T becoming H. and the letter W becoming Q.
>>
>>
>
>Yes, it's also doing T->H & W->Q. There's a few other letters that do that
>too... E->S, L-P.
>
>
>
>
>>If you can confirm this, then you can work to a little bit more to see if
>>there is a bind on the mechanics that controls the 3rd pulse.
>>
>>
>
>Was looking at the mechanics for a while and discovered if I gently lifted
>up on the silver bar on the front of the carriage, the O comes back. Also,
>if I hold down REPT & O, it will work itself out (also if I gently press
>the typebox to the left or right).
>
>
>
>
>>A couple of other thoughts, do you happen to know the range of the Line
>>Printer? Has the Line Printer been cleaned and lubricated recently?
>>
>>
>
>Been cleaning it today and got a lot of fuzz out of it. Been oiling it
>up too... but so far that hasn't cured it. Been focusing on the area
>up front that's under the typebox (and stuff connected to it).
>
>
>
>
>>I took my Model 28 ASR out of storage (10 years) about six months ago and
>>found a number of the problems disappeared with a good cleaning and lube.
>>
>>
>
>I hope that's all it is... I'll just keep working at it.
>
>
>
>
>>Happy Hunting!
>>
>>
>
>Thanks!
>
> Greg
> N0QDS
>
>
>
>
> ------------------------------------------------------------------------
>
> Subject:
> Re: [GreenKeys] MODEL 35 LOWER CASE
> From:
> BOB LAAG <RLAAG at PACBELL.NET>
> Date:
> Fri, 01 Apr 2005 16:02:20 -0800
> To:
> GREENKEYS at MAILMAN.QTH.NET
>
> To:
> GREENKEYS at MAILMAN.QTH.NET
>
>
> SAME KIND ONLY BIGGER TO HOLD MORE OF THEM... AND THE TYPEBOX MOVED
> STRAIGHT FROM ONE CHAR TO THE NEXT WITHOUT GOING PAST A NEUTRAL
> RESTING SPOT BETWEEN CHARS... I HAVE BEEN WANTING ONE FOR YEARS...
> JUST HAVEN'T FOUND ONE YET FOR MY COLLECTION...
>
> Eric Scace K3NA wrote:
>
>> Hi --
>>
>> Gosh, I never heard of a Model 37. Did it have the same kind of
>> typebox with the little metal typepallets?
>>
>> -- Eric
>>
>> on 05 Apr 1 17:48 ROBERT LAAG said the following:
>>
>>> THE 35 WAS ALL UPPER CASE BUT THE 37 HAD BOTH.... BUT HAD A REALLY
>>> BIG TYPE HEAD...
>>>
>>> _______________________________________________
>>> GreenKeys mailing list
>>> GreenKeys at mailman.qth.net
>>> http://mailman.qth.net/mailman/listinfo/greenkeys
>>>
>>>
>>
>
>
>
> ------------------------------------------------------------------------
>
> Subject:
> Re: [GreenKeys] Teletype 28
> From:
> "Richard M. Gillingham" <rmoodyg at bellsouth.net>
> Date:
> Fri, 1 Apr 2005 19:34:06 -0500
> To:
> <Russmill47 at aol.com>, <greenkeys at mailman.qth.net>
>
> To:
> <Russmill47 at aol.com>, <greenkeys at mailman.qth.net>
>
>
> Might be the #3 bar on the selector is not reseting. Could be tough
> to trouble shoot.
>
> ----- Original Message ----- From: <Russmill47 at aol.com>
> To: <gregp at n0qds.org>; <greenkeys at mailman.qth.net>
> Sent: Friday, April 01, 2005 6:32 PM
> Subject: Re: [GreenKeys] Teletype 28
>
>
>> Greg,
>>
>> If your Model 28 makes an O an M, then you are gaining a 3rd pulse.
>>
>> O is pulses 4 and 5.
>> M is pulses 3 and 4 and 5.
>>
>> You might also have the letter T becoming H. and the letter W
>> becoming Q.
>>
>> If you can confirm this, then you can work to a little bit more to
>> see if
>> there is a bind on the mechanics that controls the 3rd pulse.
>>
>> A couple of other thoughts, do you happen to know the range of the Line
>> Printer? Has the Line Printer been cleaned and lubricated recently?
>>
>> I took my Model 28 ASR out of storage (10 years) about six months ago
>> and
>> found a number of the problems disappeared with a good cleaning and
>> lube.
>>
>> Happy Hunting!
>>
>> 73 de Russ WA3FRP
>> _______________________________________________
>> GreenKeys mailing list
>> GreenKeys at mailman.qth.net
>> http://mailman.qth.net/mailman/listinfo/greenkeys
>
>
>
>
> ------------------------------------------------------------------------
>
> Subject:
> [GreenKeys] Teletype fonts - continued
> From:
> Eric Scace K3NA <eric at k3na.org>
> Date:
> Fri, 01 Apr 2005 19:53:25 -0500
> To:
> GreenKeys <greenkeys at mailman.qth.net>
>
> To:
> GreenKeys <greenkeys at mailman.qth.net>
>
>
> Hi everyone --
>
> First, thanks to the many folks who have helped with my research on
> the Model 28 typeface. Perhaps a little update is in order:
>
> -- I've received a Teletype Corp bulletin, of 1960 September vintage,
> with a list of typepallets (characters) available for Model 28s as of
> that date. Of these characters, I have physical samples for the
> following in the Murray typeface:
> letters: A through Z.
> numerals: 0 1 through 9.
> punctuation: - + bell $ ! # & ' " ( ) / : ; ? , .
> vulgar fractions: 1/8 1/4 3/8 1/2 5/8 3/4 7/8
> weather cloud cover symbols:
> clear - circle
> scattered - circle containing one vertical line
> broken - circle containing two parallel vertical lines
> overcast - circle containing a cross.
> wind direction arrows, pointing in 8 directions: NE E SE S SW W NW N.
>
> -- At least three other typefaces were available: Gothic, Long Gothic
> and Large Gothic. At this point I have my hands full trying to
> assemble a complete Murray face, so I'm leaving Gothic aside.
>
> -- Since 1960, I understand that additional typepallets were produced
> for other Latin characters used in Spanish, and some other
> miscellaneous characters (including vulgar fractions of all sorts of
> odd-ball units, such as twelfths and sixths). I don't have any
> samples of these additional characters yet. Any help in getting
> samples, or high-quality close-up photos, of these pallets would be
> much appreciated.
>
> -- A Cyrillic set was produced for Teletype machines used in Fort
> Detrick, Frederick Maryland at the US end of the Washington-Moscow
> hotline. I don't have any samples, and don't know if they followed
> the Murray design principles. Any help here would be appreciated, too.
>
> -- I have learned the Model 35 used the same kind of typebox mechanism
> with typepallets. But I don't know if the characters looked the same
> as the 'Murray' style. If so, a sample would really help.
>
> -- And... the Model 37 had an expanded typebox with typepallets, and
> it had lower-case! Were these of the same Murray style? A sample of
> Murray lower case would REALLY help a lot to complete the historical
> design references.
>
> -- Lastly, I have located the extent archives of Teletype Corporation
> (including machines!). They are in New Jersey under the care of the
> AT&T Archivist. I've just started working with him. No idea if there
> will be any joy there. And, it's not free: I have to pay for an
> exploratory search.
>
> Again, thanks for the interest and help to date from so many people
> and organizations.
>
> 73,
> -- Eric K3NA
>
>
> ------------------------------------------------------------------------
>
> Subject:
> Re: [GreenKeys] Teletype 28
> From:
> Greg Putrich <gregp at n0qds.org>
> Date:
> Fri, 1 Apr 2005 19:29:36 -0600
> To:
> Russmill47 at aol.com
>
> To:
> Russmill47 at aol.com
> CC:
> greenkeys at mailman.qth.net
>
>
> Took a closer look at this and it is indeed what is happening. When
> the problem shows itself,
> I can see the metal bar for 3 being moved to the right, but it doesn't
> stay there and moves
> a bit back to the left. When pushing it in, the O is correct. And
> observing correct printing,
> the bar stays to the right for the O and doesn't move back to the left.
>
> It doesn't move fully back to the left, but just partially... enough
> to make pulse 3 active.
>
> Cleaned & oiled the thing more, but still not quite there.
>
> Greg
>
>
> On Apr 1, 2005, at 17:32, Russmill47 at aol.com wrote:
>
>>
>> Greg,
>>
>> If your Model 28 makes an O an M, then you are gaining a 3rd pulse.
>>
>> O is pulses 4 and 5.
>> M is pulses 3 and 4 and 5.
>>
>> You might also have the letter T becoming H. and the letter W
>> becoming Q.
>>
>> If you can confirm this, then you can work to a little bit more to
>> see if there is a bind on the mechanics that controls the 3rd pulse.
>>
>> A couple of other thoughts, do you happen to know the range of the
>> Line Printer? Has the Line Printer been cleaned and lubricated
>> recently?
>>
>> I took my Model 28 ASR out of storage (10 years) about six months ago
>> and found a number of the problems disappeared with a good cleaning
>> and lube.
>>
>> Happy Hunting!
>>
>> 73 de Russ WA3FRP
>
>
>
>------------------------------------------------------------------------
>
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