All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Aug 2019 | Tenor note and ring key amended (nominal: F-22Hz IP) | Bill Hibbert nominals via pNBR |
| 1-8,Sct: nominal added,note amended | Bill Hibbert via 00013583 | |
| 30 Apr 2016 | frame: maker,material added | David Sloman via e-mail |
| 27 Apr 2016 | Tenor wt amended (from 14-0-7) | David Sloman; Chris Pickford via e-mail |
| 8: wt amended; frame date added | Chris Pickford via e-mail |