All changes to tower
| Date | Change | Source |
|---|---|---|
| 4 Nov 2021 | 1-5: nominal added | Nigel Taylor's personal tuning records via David Sloman |
| 18 Feb 2021 | 6: nominal added; 1-6: turning added | WBF records via Richard Offen |
| 27 Nov 2016 | frame: material,layout added | Mike Chester via e-mail |
| 15 Jul 2012 | (W+P) URL added | Rosemary Oakeshott via e-mail |
| 1 Mar 2011 | 1-6: frame id added; frame info added | John Baldwin via database |