All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 May 2020 | 1-6: frameid added | Tim Jackson via e-mail |
| 25 Apr 2020 | fr1,fr2 details added | Tim Jackson via e-mail |
| 16 Jan 2017 | 1-6: canon info added | David Sloman via 00011960 |
| 14 Jan 2017 | Tenor note (nominal: A-48c) / ring key amended | TimJ (G&J info per AAJB) via pNBR |
| 1-6: nominal added | Tim Jackson via 00011954 | |
| 29 Dec 2014 | PN removed (none currently); indication of toilet added | Sue Marsden via e-mail |