All changes to tower
| Date | Change | Source |
|---|---|---|
| 23 Dec 2010 | 1-6: nominal, turning added; | Andrew Higson via 00009027 |
| fr1: truss, layout added; material refined | Andrew Higson via 00009027 | |
| 21 Dec 2010 | 2-6: historically important | David Sloman via e-mail |
| 20 Dec 2010 | 1-6: frame id added; frame info added | [James Hedgcock] via e-mail |
| 1: diam added (RW1990/1162) | John Baldwin via database |