| Date | Change | Source |
|---|
| 12 May 2023 | Frame Fr9 was removed (assumed destroyed) in 1981 | Chris Pickford, who confirms from personal visit on 12/Mar/2022 that Fr9 is no longer in the tower |
| 13 Mar 2022 | 1-6: canons amended; 6: turning amended; 1-5: turning added | C J Pickford visit 12 Mar 2022 |
| 29 Jul 2019 | 1-5: diam added; 6: diam amended; 2: wt amended | Chris Pickford via 00013536 |
| Frame Fr1: date added,maker amended | Chris Pickford via 00013536 |
| 29 Mar 2014 | frame info amended | Chris Pickford via e-mail |
| 28 Mar 2014 | 6: turning added; 1-6; frame id added; frame info added | John Baldwin via database |
| 1-6: nominal added | David Kelly via e-mail |
| 3 Jun 2013 | Availability of toilet facility added | TimJ#190 via e-mail |
| 12 Mar 2012 | Thu PN (still 19:00-20:30) now weekly rather than 2nd,4th | Peter Hallewell via e-mail |
| 21 Jul 2011 | Thu(2,4) PN info added (19:00-20:30) | Peter Hallewell via e-mail |