All changes to tower
| Date | Change | Source |
|---|---|---|
| 21 Nov 2025 | Ring installation date amended | Dickon Love |
| 12 Apr 2017 | 1-6: canon info added | David Sloman via 00012070 |
| 31 Oct 2009 | Tenor note not Bb; nominal: B-14c | Nick Bowden (John Cater digital recording) via pNBR |
| 1-6: nominal added | Nick Bowden via 00008236 | |
| 5 Jan 2004 | URL amended | Dickon Love via e-mail |