All changes to tower
| Date | Change | Source |
|---|---|---|
| 29 May 2018 | 1-4: turning,frameid added; frame info added | David Sloman via 00012890 |
| 7 Apr 2011 | Tenor note amended; nominal F#+44c; tuning info added | Philip Denton (DJK analysis) via pNBR |
| 1-4: nominal added; 1-3: app wt added | Philip Denton via 00009206 | |
| 25 Apr 2009 | These 'have not been GF for several years' | Fred Bone via e-mail |
| 29 Mar 2004 | Tenor note supplied | David Sloman via e-mail |