All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 8 Nov 2004 | Tenor nominal supplied, so note is NOT G (nominal=Ab-41c) | Bill Hibbert via e-mail |
| 7 Jun 2004 | Tenor wt not simply 11.5cwt | Nick Bowden#41 (& Bayton & Pascoe) via e-mail |