All changes to tower
| Date | Change | Source |
|---|---|---|
| 31 Oct 2017 | frame: date added | David Sloman via e-mail |
| 8 Sep 2017 | 1-3:frameid added; frame info added | John Greenhough via e-mail |
| 6 Dec 2008 | GF no longer; straight line roping added | Tim Jackson#146 via e-mail |
| Tuning is stretched rather than 1,2,4 of 5; | Tim Jackson#146 via e-mail | |
| 16 Jul 2003 | Tuning not 1-3 of 5; (tenor = A+48cents = almost Bb) | George Dawson via e-mail |