All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Feb 2023 | Fr1: material amended | Evidence provided by Ken Webb that all metal frames by Webb & Bennett are made from wrought iron |
| 20 Dec 2012 | 1-7: diam added; 1-8: frame id added; frame info added | Chris Pickford via 00010192 |
| 12 Dec 2006 | Tenor note now shown to match pNBR details | Peter Davies (WAH info) via pNBR |
| 8 Nov 2004 | Tenor nominal added | Bill Hibbert via e-mail |