[GreenKeys] Western Union

[w9ddd at tapr.org]

I don't think this link was posted before,  sorry I missed if it was.  Heavy on military version.
https://www.smecc.org/teletype_model_31.htm

John, W9DDD


> On Apr 25, 2019, at 1:13 PM, Jim Haynes <jhhaynes at earthlink.net> wrote:
> 
>> On Thu, 25 Apr 2019, John, W9DDD wrote:
>> 
>> So what do think is in the WU version, a series wound 120VAC governed motor?
> Yes, or maybe it's AC/DC
> 
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