All changes to tower
| Date | Change | Source |
|---|---|---|
| 7 Dec 2022 | 2-3: weight amended | Whitechapel records via David Sloman #004204 |
| 7 Aug 2007 | Unspecified edit | |
| 14 Oct 2006 | Mon PN added | Ben Willetts (info: Stuart Flockton) via e-mail |
| 8 Nov 2004 | Tenor nominal added | Bill Hibbert via e-mail |