OldSynths

Hi everyone!  I was wondering if anyone happens to know what 
synthesizers Kraftwerk used on their "Computer World" album?  I have 
been scouring the web looking for info, and I found some stuff on 
Kraftwerk's synthesizers, but it focuses mostly on their first 
instruments or just a general, undated list of a few spare parts.  
If anyone has any info at all, I'd love to hear it!  Thank you!