All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Jun 2022 | Toilet added | Janet Deem via Email |
| 7 Apr 2016 | PN info amended (back to weekly) | John Skinner via e-mail |
| 27 Jan 2016 | PN info amended | John Skinner via e-mail |
| 11 Jul 2010 | 2-6: turning added | John Baldwin via database |
| 1-6: frame id added; frame info added | James Clarke via e-mail | |
| 4 Mar 2008 | Tenor note not F; nominal: E+15c | Andrew Higson via pNBR |