All changes to tower
| Date | Change | Source |
|---|---|---|
| 7 Apr 2022 | 1-3: turning added; 3: canons added | Dave Matthews, from personal visit |
| 22 Oct 2009 | 1-3: nominal added | David Kelly via e-mail |
| 1-3: frame id added; frame info added | John Baldwin via database | |
| 14 Oct 2009 | URL added | Tim Jackson via e-mail |
| 1 Jun 2006 | Not u/r; more st line than a/c | Ben Willetts via e-mail |