[GreenKeys] Associated Press Teletype maintenance

[drlegendre .]

Jim,

Thanks much for providing those documents. Always interesting to know what
was going on back in the day, and there's no such thing as too much
documentation!

On Sun, Nov 20, 2016 at 11:35 AM, Ed Sharpe Archivist for SMECC via
GreenKeys <greenkeys at mailman.qth.net> wrote:

> JIM - WHAT ABOUT  UPI? DID THEY STAY AT  60 WPM?
>
> THX  ED#
>
> In a message dated 11/20/2016 10:21:28 A.M. US Mountain Standard Tim,
> jhhaynes at earthlink.net writes:
>
> A few years back I was given a M15 machine that had apparently been
> abandoned by AP at a radio station and taken home by the station
> engineer when he retired.  Two documents came with it, which I have
> attached.  One is pretty clearly aimed at maintenance people with some
> training, but the other calling for a change to 50 baud gears seems
> to be aimed at the station personnel.  Too bad the letter of transmittal
> is not dated.  In any event when I got the machine it was still geared for
> 45 baud.  Maybe the speed change never took place in this neck of the
> woods.
>
> The machine in the pictures appears to have the Teletype Corp. solid state
> selector magnet driver replacing the polar relay.
>
> It's curious that they give increased speed as the reason for the
> change, yet the change from 45 to 50 baud produces only a modest increase
> in speed.  They could have gone to 75 wpm gears for the 15s and got
> more speed out of them.
>
> Something else I've been meaning to ask about - this machine like a number
> of others I have seen had the "Associated Press" placard on the front of
> the cover.  In my youth when I hung around newspapers and radio stations
> watching the Teletype machinery I don't recall those placards being on
> the machines.  My guess is that they came into use in connection with
> television stations broadcasting pictures of their news rooms and all
> the different wire service Teletypes they had.  Each wire service then
> needed to show its presence among its competitors.
>
> Another curiosity about this machine is that it was not on a Teletype
> Corp. table, but on a homemade table, made from the kind of steel angle
> stock sold at hardware stores, and plywood.  And there was a sticker on
> the table with instructions for setting a timer clock; so apparently
> they had a clock to turn the machine on and off at certain times of day.
>
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