All changes to tower
| Date | Change | Source |
|---|---|---|
| 6 Sep 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 28 Oct 2014 | URL removed: '404 not found' | Xenu check via URLbad |
| 28 Mar 2006 | URL added | Richard Sweet - Historians' Digest 1342#1 via e-mail |
| 7 Mar 2006 | Tenor not Bb (nominal supplied: B+22c) | Andrew Higson via e-mail |