All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Jul 2010 | 6: welded 1999 | John Baldwin via database |
| 1-6: frame id added; frame info added | James Clarke via e-mail | |
| 31 Aug 2006 | Tenor nominal added (Ab-39c) | Andy Marchant via e-mail |
| Date | Change | Source |
|---|---|---|
| 20 Jul 2010 | 6: welded 1999 | John Baldwin via database |
| 1-6: frame id added; frame info added | James Clarke via e-mail | |
| 31 Aug 2006 | Tenor nominal added (Ab-39c) | Andy Marchant via e-mail |