All changes to tower
| Date | Change | Source |
|---|---|---|
| 17 Mar 2024 | Frame Fr1 added; 1,2: weight, turning, hanging added; 2: nominal, note added | See York Dio (North Riding), Clouston and Dawson via Tim Jackson |
| Date | Change | Source |
|---|---|---|
| 17 Mar 2024 | Frame Fr1 added; 1,2: weight, turning, hanging added; 2: nominal, note added | See York Dio (North Riding), Clouston and Dawson via Tim Jackson |