All changes to tower
| Date | Change | Source |
|---|---|---|
| 19 Apr 2020 | Listing Grade changed to II* (from II) | TimJ / NHLE via e-mail |
| 11 Oct 2019 | 1-8: turning added | Tim Jackson via e-mail |
| 5 Jan 2011 | Ang: canon info amended | Mike Chester via 00009041 |
| fr1: truss amended; fr2: truss added | Chris Pickford via e-mail | |
| 4 Jan 2011 | 1-8, Ang: frameid added; frame info added | John Baldwin via database |
| 3 Jan 2011 | Ang: bell added | Philip Denton via e-mail |
| 17 Jan 2008 | URL amended | Mike Chester email via e-mail |
| 17 Jan 2006 | Tenor nominal added (F-17c) | Andrew Higson via e-mail |
| 29 Mar 2003 | URL modified | Mike Chester via e-mail |