[GreenKeys] Vacuum tubes in TTY power supply

[Peter Gottlieb]

I remember those in the model 19 unit, mercury vapor tubes.  Very nice to watch.


On 6/16/2019 6:16 PM, Nick wrote:
> I have seen a picture about a year ago (or was it a YouTube video, can't 
> remember) of several blue illuminated vacuum tubes inside of a teletype power 
> supply / rectifier.
> Does anybody knows the name/number/model of these tubes ?
>
> Nick  -  N0NCQ
> iTelex   212503
>
>
>
> Sent from my T-Mobile 4G LTE Device
>
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