All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 Jan 2022 | 1-3: weight, diameter amended; 1-3: turning, frame number added | Smith BB&B via James Hedgcock |
| 11 Mar 2008 | GF, u/r, tenor note added; nominal B+32c | Tim Jackson#130 (personal visit) & Nick Bowden via e-mail |