All changes to tower
| Date | Change | Source |
|---|---|---|
| 21 Aug 2019 | 1-6: turning added; 1: nominal added: frame: truss,layout added | Tim Jackson via 00013575 |
| 23 May 2016 | 1: wt amended, diam amended; | Philip Denton via 00011640 |
| frame: date,material amended;maker added | Philip Denton via e-mail | |
| 22 Jun 2014 | 1-6: frame id added; frame info added | Tim Jackson via e-mail |
| 16 Apr 2007 | Tenor nominal added (Ab+44c) | Andrew Higson via pNBR |