All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Apr 2019 | fr2: truss added | Peter Dyson via e-mail |
| 22 Mar 2019 | 1-6: frameid added; 1,2,4,5,6: canons amended; frame info added | Peter Dyson via 00013351 |
| 24 Aug 2016 | 1,2,4,5,6: canons added | David Sloman via 00011742 |
| 24 Apr 2009 | Tenor note not G; nominal: Ab-10c | Andrew Higson via pNBR |
| 1-6: nominal added; 3: canon info added | Andrew Higson via 00007349 |