All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Jun 2010 | Fri PN info removed: "none currently nor ... in prospect" | Christian Burrell via e-mail |
| 18 May 2010 | 1-6: frame id added; frame info added | Andrew Higson via e-mail |
| 22 Jun 2009 | 1-6: nominal added; 1-3: canon info added | Andrew Higson via 00007604 |
| Sct: wt, diameter & canon info added | Andrew Higson via 00007604 | |
| 4 Jun 2009 | 2: date corrected | [John Ketteringham] via e-mail |
| 26 Apr 2009 | 6: historically important & canon info added (Dove wt) | John Baldwin via database |