All changes to tower
| Date | Change | Source |
|---|---|---|
| 25 Nov 2022 | 1-2: weight amended | Whitechapel records via David Sloman |
| 7 Dec 2019 | 1-6: nominal added | Tim Jackson via e-mail |
| 6 Mar 2016 | 1-6: frameid added; 3,5: wt amended; frame info added | David Sloman via 00011539 |