All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Jun 2020 | 1-6: turning added; 1-5: nominal added | Nigel Taylor via 00013874 |
| 6 Mar 2020 | f1,fr2: material amended,truss added | Tim Jackson via e-mail |
| 27 Jan 2019 | 1-6: diam added | David Sloman via 00013257 |
| 15 Apr 2018 | URL added | via L+Mmail |
| 1 Oct 2016 | 5: frameid amended; fr2: added; fr1: layout added | Julian Parker via e-mail |
| 8 May 2011 | 1-6: canon info, frameid added; 6: nominal added | John Baldwin via database |
| 15 Apr 2009 | Mon PN is not invariable: CHECK beforehand | L&M 2008 Report via JCB |