All changes to tower
| Date | Change | Source |
|---|---|---|
| 23 Nov 2023 | Fr1: material amended | Andrew Higson |
| 8 Jan 2013 | Tenor note (and ring key) G not G#; nominal G+44c | Andrew Higson nominals (JT records) via e-mail |
| 1-5: nominal, turning, frame id added; 2-5: diam amended; | Andrew Higson via 00010239 | |
| frame info added | Andrew Higson via 00010239 |