All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 Jan 2022 | 1-2: weight amended; 1-2: nominal added | Nigel Taylor's personal tuning records via David Sloman |
| 9 Mar 2014 | 1-6: diam added; 3-6: canons added | Neil Bennett via 00010667 |
| 25 Sep 2013 | fr1: truss added | John Baldwin via database |