All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Apr 2017 | 1-3: frameid added; frame info added | David Sloman via e-mail |
| 11 Nov 2006 | Fittings derelict | GAD: Sheffield p52 (via Simon Reading) via pNBR |
| 31 Mar 2006 | u/r added | John Cater (info ex George Dawson) via e-mail |
| 3 Oct 2004 | Slight change to dedication to match Crockford entry | Graham Nabb check via e-mail |