All changes to tower
| Date | Change | Source |
|---|---|---|
| 19 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 16 May 2007 | Tenor nominal added: Ab-20c | Andrew Higson via pNBR |
| 10 Jun 2004 | GF should NOT have been added - not GF | Reminder from Nick Bowden via e-mail |
| 3 Jun 2004 | GF added | Bayton & Pascoe 'Bells of Devon' via JCB |