All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Jul 2022 | Fr1: diagonal | C J Pickford |
| 27 Mar 2016 | frame: truss inadvertently added as layout | Tim Jackson via e-mail |
| 10 Nov 2013 | Sct: frame id added | Tony Barker via e-mail |
| 5 Nov 2013 | 1-4: frame id added; frame info added | Tim Jackson via e-mail |
| 19 Oct 2013 | 1-3: nominal added; 4: nominal amended | Nick Bowden via 00010550 |
| 21 Nov 2010 | 1: historically important added | John Baldwin via database |
| 17 Oct 2008 | Tenor not 12-3-9 in F but 12-3-6 in E | Andrew Higson via pNBR |