[GreenKeys] got original M19 power supply working

[Jim Haynes]

On Fri, 29 Nov 2013, COURYHOUSE at aol.com wrote:
> be that  the 19 might have used this!?  Perhaps  just a later issue of a 19 
> with a later  powersupply?
>  
I have a Western Union Model 19 where they furnished their own power
supply rather than using the Teletype model.  Their power supply uses
an ordinary transformer instead of a constant voltage transformer.
Really no need for a CVT in this kind of service.