All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Aug 2022 | Frame Fr1: Truss, layout added; overhauls added | Oliver Lee from personal visit |
| 11 Jun 2022 | 1: weight, diameter amended; 1: nominal added | Whitechapel records via David Sloman |
| 6 Feb 2020 | 4: date amended (from precise),founder amended | Philip Denton via e-mail |
| 1 Jun 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 20 Feb 2012 | 3: historically important | David Knight via e-mail |