All changes to tower
| Date | Change | Source |
|---|---|---|
| 2 Jul 2026 | Lost ring added | David Cawley |
| 23 Apr 2024 | Frame Fr1 added; 1-5: diameter, hanging type added | Dalton manuscript via Chris Pickford #006870 |
| Date | Change | Source |
|---|---|---|
| 2 Jul 2026 | Lost ring added | David Cawley |
| 23 Apr 2024 | Frame Fr1 added; 1-5: diameter, hanging type added | Dalton manuscript via Chris Pickford #006870 |