All changes to tower
| Date | Change | Source |
|---|---|---|
| 31 Oct 2016 | 1-3: frameid added; frame info added | David Sloman via e-mail |
| 21 Feb 2016 | 1,2,3: turning added | John Greenhough via e-mail |
| 10 Dec 2003 | Tuning info and tenor note added | Nick Bowden#35 (info from Ketteringham Lincs) via e-mail |
| 2 Dec 2003 | Additional tower | John Cater via e-mail |