All changes to tower
| Date | Change | Source |
|---|---|---|
| 31 Dec 2023 | Fr1: truss amended; layout added | Tim Jackson (visit 19/08/2021) via Frame Backlog |
| 13 Sep 2021 | 1-3: nominals, notes, turning added | Tim Jackson (visit 19/Aug/2021). Recorded by Andrew Aspland and analysed by Nick Bowden |
| 13 Mar 2016 | 1-3: frameid added; frame info added | John Greenhough via e-mail |
| 10 Dec 2010 | 3: historically important added | John Baldwin via database |
| 28 Apr 2003 | Heating pipe(s) through (at least) one wheel | Carl Inglis via e-mail |