All changes to tower
| Date | Change | Source |
|---|---|---|
| 12 Mar 2010 | 7,8: date amended | Chris Pickford via 00008541 |
| 1-8: frame id added; frame info added | John Baldwin via database | |
| 17 Jan 2010 | URL added | Andrew Aspland via pNBR |
| 6 Jun 2006 | PN no longer Wed & is now by arrangement | John Cater (info: Tower contact) via e-mail |