All changes to tower
| Date | Change | Source |
|---|---|---|
| 10 Jul 2021 | 6: founder amended | George Dawson |
| 17 Nov 2018 | fr1: truss amended | Tim Jackson via e-mail |
| 2 Nov 2018 | fr1: truss added,layout amended; fr2: truss added | Mike Chester via e-mail |
| 24 Nov 2014 | 1,3: frameid amended | George Dawson via e-mail |
| 22 Nov 2014 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 17 Nov 2014 | 3: diam amended | George Dawson via 00010968 |
| 14 Dec 2011 | 6: founder, date amended | George Dawson via e-mail |
| 13 Aug 2011 | 2,3: date amended | Richard Clothier via 00009570 |
| 8 Feb 2007 | Tenor nominal added (G#+32c) | Andrew Higson via pNBR |