All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Feb 2019 | fr1: truss,layout added | Tim Jackson via e-mail |
| 7 May 2015 | 1-8: frame id added; frame info added | Jack Hunt via e-mail |
| 8 Jan 2013 | 1,2,7,8: diam added; 3,4,5,6: diam amended | Chris Pickford via 00010232 |