All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Mar 2023 | URL amended | Error detected by Dove Tower URL Checker. Replacement URL determined by Tim Jackson |
| 28 Oct 2022 | 1-3: weight and note added; 2: canons added; frame added | Ranald Clouston papers 1955 and Bowell Foundry papers via Neal Dodge |