All changes to tower
| Date | Change | Source |
|---|---|---|
| 9 Jul 2017 | 3,5,8,10: wt amended | Chris Pickford via e-mail |
| 30 Mar 2012 | URL amended | Xenu check via URLbad |
| 4 Oct 2009 | 1-10: frame id added; 3-10: turning info added; frame info added | John Baldwin via database |
| 7 May 2008 | URL amended | Michael Williams via e-mail |
| 8 Nov 2005 | URL added | Claire Thompson via e-mail |
| 8 Nov 2004 | Tenor nominal supplied, so note is NOT Eb (nominal=D+40c) | Bill Hibbert (info ex Steven Ivin) via e-mail |