All changes to tower
| Date | Change | Source |
|---|---|---|
| 14 Feb 2011 | PN info modified (from 2,4); 3rd Thu at Great Ness | Association website via JCB |
| 13 Feb 2011 | URL added | Association website via JCB |
| frame: material, layout added | Mike Chester via e-mail | |
| 26 Apr 2009 | 4: historically important (as is the 1662 frame) | John Baldwin via database |
| 2 Feb 2007 | Tenor nominal added (F#-5c) | Andrew Higson via pNBR |