All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Aug 2022 | Fr1: diagonal | Scott et al p.108 via C J Pickford |
| 1 Nov 2017 | 1-4: turning added; 5-8: turning amended | Tim Jackson via 00012543 |
| 10 Oct 2017 | 5-8: turning added | John Baldwin via database |
| 8 Sep 2013 | 7: date amended | James Clarke via e-mail |
| 13 Jul 2010 | Fr1: truss,layout added; Fr2: truss,material added | James Clarke via e-mail |
| 18 Mar 2010 | 5: welded; 1-8: frameid added; frame info added | John Baldwin via database |
| 9 Aug 2006 | Tenor nominal added (D-5c) | Mark Pring via pNBR |