AMMETER
| Date | Clue |
|---|---|
| 2019-02-07 | Current device |
| 2018-08-16 | Current measurer |
| 2008-12-17 | Electric gauge |
| 2008-10-16 | Current measurer |
| 2008-04-06 | Current gauge |
| 2006-03-05 | Current contraption |
| 2002-05-04 | Current gadget |
| 1995-07-07 | It goes with the flow |
| 1995-01-07 | Current calculator |
| 1994-09-16 | Current instrument |