All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Feb 2018 | 1-5: nominal added; fr1: layout added | David Sloman via 00012743 |
| 25 Feb 2016 | NHLE Listing Grade amended from II to I | TimJ via e-mail |
| 7 Apr 2014 | 1-5: turning added; fr1: date,maker amended; truss added | David Sloman via 00010695 |
| 6 Apr 2014 | 1-5: frameid added; frame info added | Tim Jackson via e-mail |