All changes to tower
| Date | Change | Source |
|---|---|---|
| 7 Nov 2018 | 1-3: frameid added; frame info added | Mike Chester via e-mail |
| 4 Sep 2017 | Flag added re cracked treble | D Sloman pNBR email via pNBR |
| 1: cracked; 3: date amended(to app) | David Sloman via e-mail | |
| 13 Nov 2016 | Tuning description added | TimJ via e-mail |
| 13 Jun 2007 | Tenor note added: A-48c | Nick Bowden via pNBR |