All changes to tower
| Date | Change | Source |
|---|---|---|
| 14 Jun 2024 | Fr1,Fr2: truss added; Fr1: material amended | Jack Pease, citing B&B Dorset, Dalton |
| 25 Apr 2019 | 1-6: nominal added | Nick Bowden via 00013395 |
| 19 Nov 2017 | fr2: material amended | Tim Jackson via e-mail |
| 9 Nov 2017 | 1,2: frameid amended; fr1: material amended; fr2: added | David Sloman via e-mail |
| 1-6: turning added | John Baldwin via database | |
| 22 Apr 2011 | 1: canon info amended | David Sloman via e-mail |
| 25 Jan 2004 | URL changed | Gary J Sheppard: SDGR webmaster via e-mail |
| 8 Jan 2004 | URL added | Gary J Sheppard: SDGR webmaster via e-mail |
| 4 May 2003 | Dedication is not LaWrence | Crockford via JCB |