Timeline for Mechanical device that creates friction when rotating?
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 18, 2019 at 4:04 | vote | accept | eeze | ||
| Feb 10, 2019 at 20:27 | history | answered | kamran | CC BY-SA 4.0 |