All changes to tower
| Date | Change | Source |
|---|---|---|
| 29 Dec 2022 | 4: weight amended | Whitechapel records via David Sloman #004327 |
| 22 Jul 2022 | 4-8: diameter amended; 3: date amended; 6: weight amended | Nigel Taylor via Chris Pickford. Tim Jackson (#3, #6 amendments) from personal visit (WBF board in the tower) |
| 13 Jun 2022 | Fr1,Fr2: layout added | Malcolm Taylor |
| 19 May 2019 | 1-8: nominal added | Tim Jackson via 00013419 |
| 17 Mar 2019 | fr1,fr2: material amended,truss added | Tim Jackson via e-mail |
| 20 Jul 2015 | 1-8: canon info added | John Baldwin via database |
| 16 Jan 2015 | 1-8: frameid added; frame info added | Jack Hunt via e-mail |
| 19 Jan 2013 | 1-3: diam added | Chris Pickford via 00010258 |