All changes to tower
| Date | Change | Source |
|---|---|---|
| 18 Oct 2024 | Overhaul, tuning year, Fr1.1 added; Fr1: layout, resultant layout added; Fr9: truss, layout added | Jack Pease, from personal visit and citing B&B Dorset, Dalton |
| 1 Jan 2017 | frame: extn date,material amended; historically important added | Philip Denton via e-mail |
| 5 Apr 2011 | 5: date amended | Nick Bowden via 00009204 |
| 1-8: frameid added; frame info added | John Baldwin via database | |
| 4 Apr 2011 | Sct: welded | 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 |