RHEOSTAT
| Date | Clue |
|---|---|
| 2017-09-16 | Current regulator |
| 2010-11-12 | Slot car controller |
| 2010-05-23 | Current regulator |
| 2006-07-30 | Electrical resistor |
| 2006-07-10 | Brightness regulator |
| 1998-01-01 | Current regulator |
| Date | Clue |
|---|---|
| 2017-09-16 | Current regulator |
| 2010-11-12 | Slot car controller |
| 2010-05-23 | Current regulator |
| 2006-07-30 | Electrical resistor |
| 2006-07-10 | Brightness regulator |
| 1998-01-01 | Current regulator |