Daisywhell typewriter emulating a TTY

Dave Babcock dave at babcock-family.org
Thu Apr 11 00:10:48 CDT 2019


Sorry about the missing photos.

Here's the keyboard:
https://www.dropbox.com/s/oyxdpwi2mzz4kek/custom-keyboard.jpg?dl=0

Here's the printed output:
https://www.dropbox.com/s/fb7lzrlzygnnvhl/Console_Typewriter_Output.png?dl=0

Thanks,
Dave


On 4/10/2019 11:56 AM, Chuck Guzis via cctalk wrote:
> Dave,
>
> I'd love to see the keyboard and printed output; unfortunately, the
> listserv strips out anything but test.   Got a link?
>
> --Chuck
>
>
> 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
>>>
>>>
>>>
>


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