All changes to tower
| Date | Change | Source |
|---|---|---|
| 18 Jun 2020 | 1-8: nominal amended; 1-7: wt amended; 1-6,8: diam amended | Nigel Taylor via 00013840 |
| 11 Jun 2016 | Indication of toilet facility added | Garry Thorp via e-mail |
| 6 Dec 2014 | 1-8: nominal added; frame layout added | Philip Denton via 00011004 |
| 25 Apr 2014 | 6 and 7 are both cracked | David Sloman via pNBR |
| all: turning,frame id added; dis: wt,canons added; 6,7: cracked; | David Sloman via 00010710 | |
| frame info added | David Sloman via 00010710 | |
| 14 Jan 2010 | 1,2,3,4,5,6,7: historically important | David Knight via e-mail |
| 12 Aug 2005 | Precise tenor weight available (rather than 16cwt) | Chris Dalton (Historians digest#1156) - provoked by NB via e-mail |