All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 Oct 2024 | 1-8: turning added | Peter Hayward, from personal visit |
| 8 Sep 2022 | Frame added | Peter Hayward |
| 6 Nov 2008 | Unspecified edit | |
| 15 Apr 2007 | Tenor note not F; nominal added (E-19c) | Andrew Higson via pNBR |
| 28 Apr 2003 | PN (Thu, 18.30) added | Tim Jackson via e-mail |