[GreenKeys] Bell System Practices P31.402

[Nick England]

FWIW, TS-659 is Teletype ED58HE. Almost the same as ED51DT (Bell 100A) but
with governed motor.

On Sun, Jan 31, 2021 at 5:43 AM Paul Birkel <pbirkel at gmail.com> wrote:

> I finally figured out where I stowed my device.  The identification plate
> states that it’s a TS-659/UG TELETYPEWRITER TEST SET (SUPPLY: 115 VOLTS   1
> PHASE   25-65 CYCLE) “Manufactured for NAVY DEPARTMENT – BUREAU OF SHIPS”.
>
>
>
> There is also a secondary plate attached stating “SHIP YARD NUMBER:
> 129USN  006965”.  Can anyone decipher that for me?
>
>
>
> Inside the lid there are markings that it’s been Fungus Treated.  The
> wiring diagram is identified as: WD-2403 A (10-4-45).  There is no NOTE 6
> as seen in 2403wd-c.pdf; it’s not immediately clear what are the
> differences between Rev. A and C.
>
>
>
> According to http://www.navy-radio.com/rtty-misc.htm the TS-659/UG
> includes 75 & 100 wpm gears in addition to the 60 wpm gear.
>
>
>
> My device does indeed include all three sets of gears :->.  Courtesy of
> the anti-fungal coating (looks like a nice layer of varnish, everywhere).
>  it’s evident that the original gear set for 368 O.P.M. (60 wpm) has never
> been changed.
>
>
>
> *From:* greenkeys-bounces at mailman.qth.net [mailto:
> greenkeys-bounces at mailman.qth.net] *On Behalf Of *Nick England
> *Sent:* Thursday, January 28, 2021 3:25 PM
> *To:* Greenkeys
> *Subject:* Re: [GreenKeys] Bell System Practices P31.402
>
>
>
> Thanks to Jim Haynes, this file is now posted at
>
> http://www.navy-radio.com/manuals/tty/P31-402-iss2-5801.pdf
>
>
>
> Note - the Bell 100A is the same as Teletype ED51DT and US Navy TS-658/UG
>
> Description and Adjustments
>
> http://www.navy-radio.com/manuals/tty/184B-test-1402.pdf
>
> Parts
>
>
> http://www.navy-radio.com/manuals/tty/jh/ttyman8/TeletypeManuals/other/1113B-Chg1.pdf
>
> Wiring Diagram
>
> http://www.navy-radio.com/manuals/tty/jh/ttyman9/drawings/1954wd-h.pdf
>
>
>
> Note - The Bell 100C is Teletype ED51EH for 50 Hz power
>
>
>
> Cheers,
>
> Nick England K4NYW
> www.navy-radio.com
>
>
>
>
>
> On Thu, Jan 28, 2021 at 5:17 AM Paul Birkel <pbirkel at gmail.com> wrote:
>
> 100A TTY Test Distributor - Description, Use, Maintenance, Wiring Diagram
>
>
>
> I see that this is listed at http://www.navy-radio.com/tty/tty-wd-list.htm
> (an amazing resource!)  as “to be scanned”.
>
>
>
> Does anyone else have it available?
>
>
>
> I did find 108-804-100-5806.pdf at that site; light but readable.  Is that
> the same thing as BSP P31.402?
>
>
>
> Thanks.
>
>
>
> --
Nick England K4NYW
www.navy-radio.com
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