All changes to tower
| Date | Change | Source |
|---|---|---|
| 21 Jun 2020 | 1-7: nominal added; 1-4,6: diam amended | Chris Pickford via 00013855 |
| 20 Jun 2020 | 1-8: turning added; fr1: truss added,layout amended | Tim Jackson via e-mail |
| 22 Jul 2012 | URL removed - 404 not found | Xenu check via URLbad |
| 12 Oct 2009 | URL added | via JCB |
| 1: wt corr'd; 1-8: canon info,frameid added; frame info added | John Baldwin via database | |
| 6 Oct 2006 | Tenor note not F; nominal added (F#-9c) | Andrew Higson via e-mail |