All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Oct 2024 | Fr1 added; frame mods added | Jack Pease from the Christopher Dalton papers |
| 2 Aug 2022 | 1,5: canons added | Whitechapel records via David Sloman |
| 25 Aug 2019 | 1-5: nominal,turning added; 1,4,5: diam amended | Nigel Taylor via 00013599 |
| 6 Apr 2014 | PN added | TimJ#198 via e-mail |
| 19 Mar 2014 | 1-4: wt added | Tim Jackson via 00010673 |
| 1,2,3,5: diam added | George Dawson via 00010675 | |
| 4 Jan 2014 | 4: historically important | David Knight 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 |