All changes to tower
| Date | Change | Source |
|---|---|---|
| 23 Nov 2023 | Fr1: material amended; truss, layout added | Chris Pickford via Frames backlog |
| 14 Dec 2011 | 1-6: diam added | John Baldwin via database |
| 11 Jan 2011 | 1,2,5,6: canon info added | Roland Backhurst via e-mail |
| 24 Mar 2008 | Tue PN is not 1st but rotates | David Floyd (Assn webmaster) via e-mail |
| 18 Feb 2004 | Dedication not S Mary BV | Graham Nabb's Crockford reconciliation via e-mail |