All changes to tower
| Date | Change | Source |
|---|---|---|
| 4 Jul 2019 | PN info removed ("no [Mon] practice for some years") S | Simon Ridley via e-mail |
| 6 Jan 2015 | 1-6: frame id added; frame info added | John Baldwin via database |
| 2 Nov 2012 | 2: founder amended | Peter Dyson via e-mail |
| 2 May 2012 | 3: historically important | Philip Denton via e-mail |
| 19 Dec 2008 | Indication added that 3rd is cracked | pNBR info via e-mail |
| 5 Mar 2007 | Tenor note is not G; nominal added (Ab+9c) | Andrew Higson via pNBR |