All changes to tower
| Date | Change | Source |
|---|---|---|
| 27 Oct 2019 | frame: material amended | Tim Jackson via e-mail |
| 9 May 2016 | frame: material amended | Philip Pratt via e-mail |
| 8 May 2016 | frame: truss,layout added | Mike Chester via e-mail |
| 19 Nov 2011 | 1-8: frame id added; frame info added | John Baldwin via database |
| 1,2,3: wt amended | John Baldwin via 00009762 | |
| 5 Oct 2009 | 1-8: diam added | [George Massey] via e-mail |
| 12 Mar 2008 | No longer a practice | David Floyd (Assn webmaster) via e-mail |
| 5 Oct 2004 | Tenor nominal added | David Kelly via e-mail |