All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Aug 2020 | 1-6: turning added, fr1: truss,layout added | Tim Jackson via e-mail |
| 16 Feb 2016 | 1-6: frameid added; frame info added | Bob Parker via e-mail |
| 19 Aug 2013 | URL amended | Rosalind Martin via e-mail |
| 15 Jul 2012 | (W+P) URL added | Rosemary Oakeshott via e-mail |
| 13 Sep 2007 | Tenor precise wt available (not ~8cwt) | Bob Parker#5051 via pNBR |