All changes to tower
| Date | Change | Source |
|---|---|---|
| 31 Jul 2017 | Sct: historically important | David Sloman via e-mail |
| 23 Dec 2011 | Sct: diam added | Neil Bennett via e-mail |
| 11 Aug 2011 | 1-6: diam, canon info, frame id added; frame info added | Neil Bennett via e-mail |
| Date | Change | Source |
|---|---|---|
| 31 Jul 2017 | Sct: historically important | David Sloman via e-mail |
| 23 Dec 2011 | Sct: diam added | Neil Bennett via e-mail |
| 11 Aug 2011 | 1-6: diam, canon info, frame id added; frame info added | Neil Bennett via e-mail |