All changes to tower
| Date | Change | Source |
|---|---|---|
| 26 Dec 2012 | 5: founder amended | George Dawson via e-mail |
| 23 Jun 2011 | 1-6: frame id added; frame info added | Keith Gatman via e-mail |
| 5,6: turning added; 6: date amended | John Baldwin via database | |
| 4 Oct 2006 | Tenor nominal added (G+11c) | Andrew Higson via e-mail |
| 26 May 2005 | No longer GF (14 steps!) | Malcolm Wild (Tower Captain) via e-mail |