All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Nov 2023 | Fr1: year, material amended; truss added | Chris Pickford via Frame Backlog |
| 22 Nov 2022 | PN amended | Clare Morris, Tower Captain via #004140 |
| 9 Jul 2021 | 1-6: canons added. | |
| 20 Nov 2011 | fr1: date added | Chris Pickford via e-mail |
| 13 Oct 2009 | 1-6: frame id added; frame info added | John Baldwin via database |
| 22 Mar 2007 | Tenor nominal added (Ab+22c) | Chris Pickford (JT&co records) via pNBR |