All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 Jun 2024 | 1,2,5: canon added; frame Fr1: material amended; layout added; overhaul added | Jack Pease, citing B&B Dorset, Dalton |
| 5 Aug 2023 | PN amended | Ashley Monck |
| 14 Apr 2017 | 3: date amended (prev exact) | David Sloman via e-mail |
| 25 Jan 2004 | URL changed | Gary J Sheppard: SDGR webmaster via e-mail |
| 8 Jan 2004 | URL added | Gary J Sheppard: SDGR webmaster via e-mail |