JMC currently has a Zehntel 1820 for sale
Ref # BDT3

Configured As Follows:

39 DRII cards # 46153
25 DRI cards # 45028
THC # 45203
? # 090327
ATB # 046-213-03
RAB # 45399-01
Wavescan
Kepco Supplies (2) 0-55, 2A
io Tech Micro 488A Bus Controller
HP3245A Universal Source
HP54504A Digital Oscilliscop