All changes to tower
| Date | Change | Source |
|---|---|---|
| 6 Nov 2023 | 1-6: turning added; frame Fr1: truss, layout added; frame Fr2 added | Andrew Higson, from personal visit |
| 27 Oct 2019 | 1-6: frameid added; frame Fr1 info added | Tim Jackson via e-mail |
| 21 Sep 2013 | 1-6: date amended | George Dawson via e-mail |
| 23 Oct 2010 | 1-6: nominal added | Nick Bowden via 00008894 |