All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 Jan 2023 | 1-6: weight amended | Weights after retuning by M & S in 1938 via David Sloman #004397 |
| 5 Nov 2016 | Tenor wt amended (to post canon removal estimate) | A Bull / TimJ / N Bennett / J Markwick via e-mail |
| 1-6: pNBR wt amended (from pre canon removal value) | Andrew Bull via e-mail | |
| 21 Oct 2016 | 6: canon info amended | Neil Bennett via e-mail |
| 30 Sep 2016 | 1-5: canon info amended | Neil Bennett via 00011783 |
| 12 Jul 2014 | 1-6: turning,frame id,canons added; frame info added | John Baldwin via database |
| 3 Sep 2007 | Tenor weight of 11-2-5 is incorrect | GAD (after query from Andrew Bull) via pNBR |