[GreenKeys] GreenKeys Digest, Vol 270, Issue 14

[Jon N5MHI]

>
>
> Date: Thu, 23 Jul 2026 13:07:40 -0400
> From: Paul Wills <pdwills at cedarknolltelephone.com>
> Subject: Re: [GreenKeys] Teletypes and Railroads
>
> The attached article deals, primarily, with the PRR telephone plant from
> 1925 but there is a description of the "printing telegraph" equipment
> used towards the end.
>
> And to think I was around in the late 1970's to see the end of the TTY
> network (In the contemporary "PO" office.)
>
> PDW
>
> On 7/23/2026 11:55 AM, Aidan Riley via GreenKeys wrote:
> > Good afternoon all,
> >
> > I'm interested in learning more about the history of teletype use by
> > railroads. Does anyone have resources they would recommend reading?
> >
> > Thanks and 73,
> > Aidan W9POG
>
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> ------------------------------
>
Here are some interesting pages out of a Pullman Company system manual I
have.
-Jon N5MHI
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