All changes to tower
| Date | Change | Source |
|---|---|---|
| 16 Nov 2016 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 6 Jul 2016 | PN info amended | TimJ (info: Ian Ansell) via e-mail |
| 14 Jun 2015 | PN info modified (prev: 2nd) | Tim Jackson (info: Ian Ansell) via e-mail |
| 28 Sep 2012 | Partials added; tenor nominal: F#-40c | Philip Denton via pNBR |
| 1-6: partials added | Philip Denton via 00010086 | |
| 1 Dec 2007 | PN info modified | Tim Jackson#125 via e-mail |
| 15 Oct 2007 | PN info added | Aidan Hopkins via e-mail |
| 27 Sep 2004 | Slight change to dedication to match Crockford entry | Graham Nabb check via e-mail |