computer graphics in the 1950s

[Richard]

In article <48F7AAEE.7020504 at gmail.com>,
    Jules Richardson <jules.richardson99 at gmail.com>  writes:

> Although I still think a 1948 Mark 1 with the associated display qualifies 
> (e.g. http://www.computer50.org/kgill/williams/display.html)
> 
> It's specifically intended as a visual output device, and it is under program
> control...

>From what I read there, this was used as an array of lights and
not used to represent anything pictorially.
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