All changes to tower
| Date | Change | Source |
|---|---|---|
| 23 Nov 2022 | Overhaul added; Frame Fr1 added; 1-3: hanging type added; 2: note amended | George Dawson and David Cawley. Chris Pickford (frame), citing George Dawson notes (2003). |
| Date | Change | Source |
|---|---|---|
| 23 Nov 2022 | Overhaul added; Frame Fr1 added; 1-3: hanging type added; 2: note amended | George Dawson and David Cawley. Chris Pickford (frame), citing George Dawson notes (2003). |