[GreenKeys] Interesting modified teletype

[Dave Horsfall]

On Sat, 30 Mar 2024, dave.g4ugm at gmail.com wrote:

> Well the first practical tubes were known as Williams Tubes, these days 
> we call them "Kilburn - Williams Tubes" and the guys who developed them 
> were looking to use the technology to declutter radar images.

And the nylon stockings that women wore at the time used to zap the static 
charges...

-- Dave