All changes to tower
| Date | Change | Source |
|---|---|---|
| 21 Jul 2017 | 1-3: turning added; frame: (app)date,truss added,layout amended | John Greenhough via e-mail |
| 14 Nov 2014 | 3: diam amended | George Dawson via e-mail |
| 11 Nov 2014 | 1,2: app wt added; 1,2,3: frameid added; frame info added | John Baldwin via database |
| 23 Nov 2006 | Tuning description amended (nominals available): not 1,2,4/4 | Nick Bowden, Sam Austin; GAD via pNBR |
| 6 Oct 2005 | Tenor nominal (=Ab+17c) added and note amended | George Dawson via e-mail |