All changes to tower
| Date | Change | Source |
|---|---|---|
| 12 Nov 2024 | URL amended | Kye L Leaver |
| 23 May 2024 | URL added | Kye L Leaver |
| 7 Mar 2023 | 1: weight, note added | Nick Bowden. Recordings taken and analysed by Kye Leaver |
| 6 Mar 2023 | Frame Fr1 added; 1: nominal, canons, turning, hanging type added | Kye L Leaver & Dylan J Thomas (visited 24/02/2023) #004635 |