MHOS
| Date | Clue |
|---|---|
| 2024-06-16 | Conductance units |
| 2017-06-04 | Conductance quantities |
| 2013-05-13 | Conductance units |
| 2012-02-29 | Conductance units |
| 2012-02-01 | Units now called siemens |
| 2008-12-06 | Anti-resistance units? |
| 1999-05-27 | Electrical units |
| 1997-07-01 | Conductance units |
| 1996-07-27 | Conductance units |