[GreenKeys] Stock Ticker

[Jim Haynes]

On Mon, 4 Feb 2019, Nick wrote:
> So, the question is: what kind of machines were used and more importantly,
> what kind of system/code - baudot? .... I doubt that, but not sure. Have to
> find that online article again. 
> 
All I know about them is from an article in an old ARTS bulletin from the
1950s, where it told how to make them work as RTTY printers.  So I guess
it is Baudot, or maybe six-level code based on Baudot.