All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Apr 2015 | Tenor note added | Paul Mason (JT) via pNBR |
| 1-4: nominal,turning added | D Paul Mason via 00011141 | |
| 17 Apr 2015 | Tenor wt amended; bells removed for safety | Paul Mason (#11120) via pNBR |
| 1-3: wt added; 4: wt amended | D Paul Mason via 00011120 | |
| 9 Sep 2011 | 1-4: historically important, frame id added; frame info added | John Baldwin via database |