All changes to tower
| Date | Change | Source |
|---|---|---|
| 29 May 2014 | 1,2: canon info added | Mike Chester via 00010761 |
| 6 Mar 2012 | PN info added | Douglas Snoswell via e-mail |
| 23 Jan 2012 | 1-7: nominal added; 8: nominal amended; 3-8: canon info added; | John Baldwin via database |
| 1-8: frame id added; frame info added | John Baldwin via database | |
| 18 Oct 2010 | URL amended | John Baldwin via e-mail |
| 29 Mar 2006 | GF added | Neil Jones (Campanophile article) via www |
| 12 Feb 2006 | Restored: not 10-3-9 in G nor a/c; nominal added (Gb+46c) | Dickon Love via e-mail |