All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Jun 2026 | 1840 augmentation noted | |
| 14 Jan 2016 | 1-6: nominal added | David Kelly via e-mail |
| 14 Nov 2015 | fr: date amended | Jack Hunt via e-mail |
| 12 Jan 2015 | 1-6: canon info added | David Sloman via 00011047 |
| 9 Jan 2015 | 1-6: frame id added; frame info added | Jack Hunt via e-mail |