All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Mar 2026 | 1971 project noted | Lincs B&B, Ketteringham |
| 25 Jul 2017 | frame: truss,layout added | John Greenhough via e-mail |
| 24 Oct 2016 | 1-3: frameid added; frame info added | David Sloman via e-mail |
| 11 May 2005 | Tenor nominal provided (Ab-34c) | Dave Kelly via e-mail |
| 10 Dec 2003 | Weight is EXACT not approximate | Nick Bowden#35 (info from Ketteringham Lincs) via e-mail |