All changes to tower
| Date | Change | Source |
|---|---|---|
| 17 Jul 2017 | frame: truss added, layout amended | Philip Denton via e-mail |
| 19 May 2011 | 1-8: turning,frameid added; frame info added | Philip Denton via 00009343 |
| 8 Nov 2004 | Tenor nominal added | Bill Hibbert via e-mail |