All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Apr 2016 | 7: founder amended | David Sloman via e-mail |
| 3 Jan 2014 | 3,4: historically important | David Knight via e-mail |
| 3 Sep 2013 | Availability of toilet facility added | TimJ #191 via e-mail |
| 25 Jan 2004 | URL changed | Gary J Sheppard: SDGR webmaster via e-mail |
| 8 Jan 2004 | URL added | Gary J Sheppard: SDGR webmaster via e-mail |