All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 May 2019 | frame: layout amended | Mike Chester via e-mail |
| 10 May 2019 | frame: truss added,layout amended | Mike Chester via e-mail |
| 18 Aug 2014 | 1,3: date amended; frame: layout added | Philip Denton via 00010845 |
| 5 Jan 2014 | 1: historically important | David Knight via e-mail |
| 22 Jun 2009 | 1,2: nominal added | Andrew Higson via 00007601 |
| 21 Jul 2006 | Tenor nominal added (F+39c) | Christopher Dalton (Dorset, p564) via pNBR |
| 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 |