All changes to tower
| Date | Change | Source |
|---|---|---|
| 19 Jul 2010 | 1-5: frame id added; frame info added | James Clarke via e-mail |
| 23 Apr 2009 | 1-5: nominal added | Andrew Higson via 00007342 |
| 7 Jun 2004 | Tenor wt not simply 6.5cwt | Nick Bowden#41 (& Bayton & Pascoe) via e-mail |