All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Oct 2023 | Overhaul added; frame Fr1: truss, layout added; 1-6: nominal added, note amended | Tim Jackson, from personal visit. Information taken from board in the tower. Recorded by Tim Jackson and analysed by Nick Bowden |
| 11 Apr 2018 | 5: (app)date amended; 1-6: turning,frameid added; frame inf added | John Baldwin via database |
| 15 Jul 2012 | (W+P) URL added | Rosemary Oakeshott via e-mail |