Daisywhell typewriter emulating a TTY

Chuck Guzis cclist at sydex.com
Wed Apr 10 13:56:44 CDT 2019


I'd love to see the keyboard and printed output; unfortunately, the
listserv strips out anything but test.   Got a link?


On 4/10/19 11:14 AM, Dave Babcock via cctalk wrote:
> Chuck,
> True, the 1620 Model 1 Model B typewriter (1st gen).  The 1620 Model 2
> used a Selectric (2nd gen).  We're using the 3rd generation IBM electric
> typewriter (Wheelwriter) with the 1620 Jr. (3rd gen 1620?).  [I know
> it's a stretch.]
> The issue is that for Jr. we needed a reliable, robust, very low
> maintenance device.  The IBM 1620 Jr. will be used by the CHM Education
> Department and needs to stand up to hands-on use without needed
> difficult & expensive maintenance.
> Here's the keyboard of our Wheelwriter-based IBM 1620 Jr. Console
> Typewriter:
> And here is the printed output:
> Note the slashed zero, flagged digits, and all of the 1620 special
> characters.   :-)
> Thanks,
> Dave
> On 4/10/2019 10:56 AM, Chuck Guzis via cctech wrote:
>> On 4/10/19 10:35 AM, Dave Babcock via cctech wrote:
>>> To all,
>>> The Computer History Museum's IBM 1620 Jr. project has already done
>>> this.  We have converted an IBM Wheelwriter 1000 electric typewriter
>>> into a computer terminal.  The conversion consists of a custom PCB with
>>> an Arduino Teensy 3.5 microcontroller which is physically installed in
>>> the typewriter, electrically in-between the keyboard and typewriter
>>> motherboard, with custom firmware.
>> Aw, that's too bad!  The original Model I (CADET) 1620 had a console
>> typewriter (was it based on the IBM Model B electric?) that gyrated
>> enough, particularly on carriage returns, that made you wonder if it was
>> going to fly to pieces at any time.  It was all part of the experience.
>> What did you do about the 1620-specific keys?  I don't think that record
>> mark or R-S was a keytop legend ona Weheelwriter...
>> --Chuck


Sent from my digital computer

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