All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Dec 2022 | 1-5: weight amended; 1-6: diameter amended | Whitechapel records via David Sloman |
| 21 Mar 2022 | Fr1: layout added (provisional scheme) | |
| 5 Jun 2012 | 1-6: canons, frame id, turning added; frame info added | Chris Pickford via 00009959 |
| 4 Jun 2012 | 1-6: nominal added | David Kelly via e-mail |