All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Jun 2024 | Added note about 1487 bequest | Neal Dodge |
| 23 Nov 2022 | Turning added | Ranald Clouston papers 1976 via Neal Dodge |
| 22 Aug 2022 | 1-3: weight, note, nominal, canons, turning added; frame added | Ranald Clouston papers 1976 via Neal Dodge |