All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Oct 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 1 Jun 2016 | Indication of toilet facility added | Ian Oram via e-mail |
| 14 May 2011 | 4: date is approx | Philip Denton via e-mail |
| 5 Jan 2004 | URL amended | Dickon Love via e-mail |