All changes to tower
| Date | Change | Source |
|---|---|---|
| 26 Aug 2018 | 1-6: nominal added; 3: wt amended; 4,5,6: diam,date amended | Chris Pickford via 00013043 |
| 25 Aug 2018 | 1-6: turning,canon info added; 4-6: diam added; | Neil Bennett via e-mail |
| frame: truss amended,layout added | Neil Bennett via e-mail | |
| 11 Jul 2014 | 1-6: frameid added; frame info added | John Eisel via e-mail |