All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Jul 2010 | 1-6: turning, frame id added; frame info added | James Clarke via e-mail |
| 8 Apr 2009 | All nominals added | Andrew Higson via 00007246 |
| 25 Sep 2004 | Slight change to dedication to match Crockford entry | Graham Nabb check via e-mail |