All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Dec 2023 | Fr1: layout amended | E John Arthur via Frame Backlog |
| 26 Nov 2023 | Fr1: material added; year, maker added | E John Arthur via Frame Backlog |
| 11 Oct 2021 | Key amended S | Based on recent nominal confirmations |
| 5 Oct 2021 | 1-4: nominal, turning added | Site visit 5/10/2021 via John Arthur |
| 29 May 2017 | 1-4: frameid added; frame info added | David Sloman via e-mail |
| 3 May 2006 | Tenor weight is not 6-3-21 | George Dawson via e-mail |