All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Sep 2014 | 2,3: (removed canons >>) wt amended | Tim Jackson via e-mail |
| 5 Sep 2014 | 2,3: diam amended | Tim Jackson via 00010880 |
| 13 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 23 Sep 2004 | Slight change to dedication to match Crockford entry | Graham Nabb check via e-mail |