All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Jul 2010 | 1-3: frame id added; frame info added | James Clarke via e-mail |
| 4 Jun 2004 | tuning info added | Bayton & Pascoe 'Bells of Devon' via JCB |
| 25 Nov 2003 | Tenor note supplied; rope circle (just) conventional | Tim Jackson #52 via e-mail |