All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Apr 2024 | Frames Fr1, Fr2: layout added | Kye Leaver from personal visit |
| 12 Apr 2024 | Recasting of 1904 noted | Kye Leaver via #006591 |
| 24 Feb 2024 | Frames Fr1, Fr2: material amended | Gillett & Johnston archives, Chris Pickford |
| 27 Dec 2022 | 1-3: canons, turning, hanging type added. | Kye Leaver, visit 25-Nov 2022 |
| 2 Dec 2022 | Frames Fr1, Fr2 added | Kye Leaver from personal visit |
| 16 Apr 2022 | 2: nominal, note amended | G&J records 1936 via Chris Pickford |