All changes to tower
| Date | Change | Source |
|---|---|---|
| 4 Oct 2020 | 1-5: diam added | David Sloman via 00014031 |
| 24 May 2018 | Tue PN is irregular | SCACR 2017-18 Report via JCB |
| 14 Oct 2011 | 1-6: nominal, canons, frameid added; 1-5: wt added; | Philip Denton via 00009716 |
| frame info added | Philip Denton via 00009716 | |
| 15 Jan 2010 | 2: historically important ('listed' by CBC) | David Knight via e-mail |
| 24 May 2008 | PN info added | SCA 2007 Report via JCB |