All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 May 2025 | Location of founder Gabriel Smith amended | Andrew Aspland and Peter Dyson |
| 13 Oct 2017 | 1-6: nominal added; 6: canon info added | Chris Pickford via 00012492 |
| 12 Oct 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |