Dr. K. Witmer Elektronik AG:
| Model | Date | Group | Description |
|---|---|---|---|
| IC Triple 100 | 1986 03 01 | Power supply | |
| IC Triple Z | 1976 01 01 | Power supply | |
| IEEE Option | 1982 01 01 | Power supply | IEEE Option for TI Power Supply |
| MB 0030/20/3 | Power supply | ||
| MC 0050/20/3a | 1966 01 01 | Power supply | |
| TI 36/4 ATE | 1983 01 01 | Power supply |
