All changes to tower
| Date | Change | Source |
|---|---|---|
| 23 Feb 2014 | Absence of stays and sliders noted | TimJ#197 (info: GAD from JT archive) via e-mail |
| 13 Sep 2010 | 1-3: nominal, canons, turning info added | Andrew Higson via 00008811 |
| 9 Sep 2010 | Additional tower | George Dawson via e-mail |