All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Jun 2016 | Ds1: wt,nominal amended | George Dawson via e-mail |
| 13 Jun 2016 | URL added | Alan Futers via e-mail |
| Ds1,Ds2: added; frame layout added | Alan Futers via e-mail | |
| 23 Jul 2009 | Frame id added; frame info added | Andrew Higson via e-mail |
| 22 Jul 2009 | All: canon & turning info added; 1-7: nominal added; | Andrew Higson via 00007843 |
| 2,3,6,8: diam amended | Andrew Higson via 00007843 | |
| 12 Dec 2005 | Note not E; nominal added(=Eb+43c) | Nick Bowden#58 via e-mail |