All changes to tower
| Date | Change | Source |
|---|---|---|
| 7 Sep 2022 | 1: weight amended | Whitechapel records via David Sloman |
| 30 May 2018 | 1-6: diam added | David Sloman via 00012891 |
| 20 Mar 2018 | 1-6: nominal added | Nick Bowden via 00012793 |
| 3 Oct 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |