[GreenKeys] Manuals for Teletype 56D aka At&t 513 aka At&t 4425 Terminal

[Ian Litchfield]

Ohhhhh you picked this up from the system source swap meet from Paul didn’t
you?
We were thinking of taking it for the Museum.

I was asking about it and someone beat me to the draw on making an offer
haha, no harm done saved me the money.

My friend from the museum said it may have been one of the terminals
marketed for the 3B1’s multi user mode. The manual may be in the 3B1/PC7300
documentation set. I know that’s many books long. I hope that helps with
the manual search.

Hope you have fun with it! If you ever want to part with it feel free to
let me know!

-Ian L.
KD2IXL

On Tue, Jul 25, 2023 at 01:07 Jeff G <jeffg at junknet.net> wrote:

> Anyone gots any books/manuals to these? Since Nick has every Teletype
> document under the sun I figured I'd try here and see if something pops up.
> This is a CRT terminal that sort of has an identity crisis - Its Teletype
> labeled on the back as a Teletype 56D, but has At&t 513 badging on the
> front and supposedly from searches comes up as an At&t 513, 513BCT, 4425,
> or others. This is probably one of Teletypes last products per se.
>
> These were used a lot on PBXes like At&t Definitys from what I understand.
> They're not too common per se but I've seen a few, and now own one myself.
> Seems I managed to bring it back from the dead (was told it was a "barn
> find") but no books/manuals on it.
>
> If anyone did have the book I'd be glad to scan it and/or upload to Nick
> and the Internet Archive.
>
> Jeff KC3GJX
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