All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Jun 2026 | 1809 augmentation noted | Salisbury and Winchester Journal, Mon. 20 Feb. 1809 |
| 22 Mar 2020 | 1-5,12: turning added | Tim Jackson via e-mail |
| 27 Feb 2020 | 1-12: frameid added | Tim Jackson via e-mail |
| 10 Sep 2012 | frames: info added | John Baldwin via database |
| 20 Nov 2006 | URL added | (Mike Chester) via pNBR |
| 26 Nov 2005 | Tenor nominal added (F+28c) | Andrew Higson via e-mail |