All changes to tower
| Date | Change | Source |
|---|---|---|
| 21 Oct 2022 | Fr1: truss, layout added; Fr2: date, material, truss added | Stuart Hutchieson from personal visit. Additional information provided by Peter Hayward. |
| 3 Jul 2022 | Fr2 added (not in use) | Stuart Hutchieson via C J Pickford |
| 30 Aug 2013 | 1-6: frame id added; frame info added | John Baldwin via database |
| 11 Feb 2007 | Tenor nominal added (G+22c) | Auto added via pNBR |