All changes to tower
| Date | Change | Source |
|---|---|---|
| 6 Mar 2021 | 1: weight amended; 1-2,4-8: nominal amended; 2-3: diameter amended; 1-8: canons, turning, frame number added. Key changed from F# to G. S | Nigel Taylor personal tuning records |
| 18 Aug 2008 | Unspecified edit |