All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 Jun 2017 | frame: truss added, layout modified | Philip Denton via e-mail |
| 5 May 2011 | Tenor note not Ab; nominal: A-38c | Philip Denton via pNBR |
| 1-6: diam, nominal, canons, turning, frame id added; | Philip Denton via 00009306 | |
| 1,2: date, founder amended; frame info added | Philip Denton via 00009306 |