Unknown CDC unit , looks like a drum memory ?

[Chuck Guzis]

On 05/16/2018 09:13 AM, jos via cctalk wrote:
> Visited an older collector recently, and in his shed he has a strange
> thing, labeled CDC, that somehow looks like a drum memory, but then
> again not ( drum looks too small to be usefull )
> 
> The controller that goes with is  a transistor based  monster on
> countless small pluginboards.
> 
> Pictures on  ftp://ftp.dreesen.ch/Unknown_CDC_Stuff

Finally got enough patience to let the images load.

Pulling a guess out of the thin air or some other place, my guess would
be a CDC Digigraphics controller, which used drums for display refresh.

--Chuck