All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Aug 2023 | 3: weight amended | Whitechapel records via David Sloman #005553 |
| 22 Dec 2010 | 3: canons added | Tim Jackson via e-mail |
| 18 Dec 2010 | Additional tower | TimJ#169 via e-mail |
| 1-3: details added; frame info added | Tim Jackson via e-mail |