All changes to tower
| Date | Change | Source |
|---|---|---|
| 28 Nov 2021 | 3: nominal added; 1-8: hanging type added. | John Taylor records and personal visit via A R Aspland |
| 4 May 2021 | Visited R W M Clouston, Jun 1980 | |
| 18 Jun 2017 | Unspecified edit |
| Date | Change | Source |
|---|---|---|
| 28 Nov 2021 | 3: nominal added; 1-8: hanging type added. | John Taylor records and personal visit via A R Aspland |
| 4 May 2021 | Visited R W M Clouston, Jun 1980 | |
| 18 Jun 2017 | Unspecified edit |