All changes to tower
| Date | Change | Source |
|---|---|---|
| 25 Aug 2017 | URL amended | Rosalind Martin via e-mail |
| 15 Jul 2012 | (W+P) URL added | Rosemary Oakeshott via e-mail |
| 18 Dec 2010 | 1-4: frame id added; frame info added | Tim Jackson via 00009008 |
| 26 Oct 2010 | Tenor note amended: ring nearer A than Ab | John Baldwin via pNBR |
| 1-4: nominal, turning added; 2,3: wt added | John Baldwin via 00008918 | |
| 25 Oct 2010 | Tenor wt amended | Chris Pickford (JT&co data) via pNBR |
| 1: wt added; 4: wt amended, diam amended | Chris Pickford via 00008909 | |
| 20 Oct 2010 | 1-4: canon info added; 1,4: date, founder, diam added | Tim Jackson via 00008883 |
| 7 Nov 2004 | Tenor note added | Tim Jackson#72 via e-mail |
| 3 Dec 2003 | GF, u/r (& draught comment) added | TJ#54 via e-mail |