All changes to tower
| Date | Change | Source |
|---|---|---|
| 24 Aug 2023 | 6: canons amended; frame Fr1: material, truss, layout added | Malcolm Taylor |
| 4 Aug 2020 | 1-6: turning added | John Baldwin via database |
| 3 May 2016 | 1-6: frameid added; frame info added | John Baldwin via database |
| 7 Mar 2014 | 1,Sct: nominal added | David Kelly via e-mail |
| 6 Mar 2014 | 2-6: nominal added | David Kelly via e-mail |