All changes to tower
| Date | Change | Source |
|---|---|---|
| 7 Dec 2023 | Frame Fr1: material, layout added | Chris Pickford, from personal visit |
| 27 Nov 2023 | Frame Fr1 added; 1: nominal, canons, turning, hanging type added (hung on an open gable turret), note amended | CJP visits 1979 and 2009 via Chris Pickford #005964 |