Unknown CDC unit , looks like a drum memory ?

jos jos.dreesen at greenmail.ch
Wed May 16 11:13:32 CDT 2018

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

Anyone can identify this ?


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