All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Dec 2011 | 1-5: canon info added; 4-8: turning added | Andrew Higson via 00009804 |
| 12 Dec 2011 | 1-8: frame id added; frame info added | John Baldwin via database |
| 24 Mar 2008 | Mon PN is 2,4 | David Floyd (Assn webmaster) via e-mail |
| 21 May 2006 | No longer GF (presaged: RW2003/p490) | Richard Hutchings via e-mail |