[GreenKeys] TTY Materials Lists - Compendium, DIY materials, , > Carbonless Form Options

[John Nagle]

> From: Keith Mc<acti at provide.net>
> Subject: [GreenKeys] TTY Materials Lists - Compendium, DIY materials,
> 	Carbonless Form Options
>
> According to another thread, many of the old printers were ribbon-less,
> and used special pressure sensitive paper.  In another thread, the
> example was an Extel, that used a special 3M paper with micro ink capsules,
> that broke when struck to make a dot.
> Many of those papers are no longer available.

     There was a brief period in printer history in the 1970s when that
technology was used. It's post-Teletype.  All the

> So, what are the options these days?
>
> Right off the bat, I see a few main ways to approach this problem:
> 1) Compile a list of the "special" materials, that this group may need
> (oiled ASR33 punch tape, TTY roll paper, 3M encapsulated ink paper, etc...)
> 2) Compiling vendor sources for the old, original materials.

     I have a list here:

	http://www.aetherltd.com/supplies.html

TTY roll paper is still manufactured, although not in yellow.  You can
still get reperforator tape, but it's expensive.  I had 5/16" tape
for Model 14 printers manufactured in China, and I resell that.
Most of the Teletype machines from 1920 to 1960 use Underwood
typewriter ribbons, and you can still get those.

Incidentally, for Model 15 machines, it's useful to turn down the impact
force for the keys to reduce ribbon damage.  The default setting seems 
to be for multipart carbons, and can punch holes in some ribbons.
The lettering does not get fainter when you do this; there's no win
in hitting the ribbon that hard.

There really isn't much interest in unusual dot matrix printers of the
1970s.

				John Nagle