All changes to tower
| Date | Change | Source |
|---|---|---|
| 16 Feb 2015 | QP 13/2/15 (RW BulletinBoard 369606) > 'under restn' rmvd | Mike Chester via e-mail |
| 24 Aug 2014 | Bob Parker is currently working on this ring | David Kelly via e-mail |
| 22 Aug 2014 | Tenor wt amended (from 9-3-14) | Bob Parker via pNBR |
| 6: wt amended | Bob Parker via 00010849 | |
| 14 Dec 2012 | PN info amended (no predictable rotation: CHECK first) | David Floyd via e-mail |
| 18 Nov 2011 | 3: (approx) date added; 1-6: frame id added; frame info added | John Baldwin via database |
| 29 Apr 2010 | 4: is historically important ('listed' by CBC) | John Baldwin via database |
| 12 Apr 2006 | Wt: 10-2-9 was "as cast"; nominal added (Ab-20c) | Andrew Higson (& Andrew Bull) via e-mail |