All changes to tower
| Date | Change | Source |
|---|---|---|
| 26 Oct 2018 | 5,6: frameid amended; frame1A deleted; frame1: truss,layout added | Mike Chester via e-mail |
| 1 Nov 2016 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 2 Dec 2009 | Thu PN info added | Ray Fanthorpe, Guild Report Editor via e-mail |